Best Glasfloss Furnace Filters (April 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Glasfloss ZL 20x25x2 MERV 10 AC & Furnace Filters. 12 Pack. Actual Size: 19-1...

9.8
CPR Score
Top 2

Glasfloss ZL 16x25x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 15-1/...

9.7
CPR Score
Top 3

Glasfloss ZL 20x25x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 19-1/...

9.7
CPR Score
Tips

We compared different brands for Filtration, Appliances, Building Supplies and analyzed 202 Glasfloss Furnace Filters reviews and over 6,220 customer reviews and ratings,Glasfloss is great brand for Filtration, Appliances, Building Supplies, We has selected the top 29 best Glasfloss Furnace Filters and made this top list for you.

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Glasfloss Furnace Filters Rated by CherryPicks

Market Overview
Glasfloss Furnace Filters Reviewed
  • Reviews Analyzed: 6,220 Items
  • CPR Avg. Rating: 8.6 / 10
29 Products Evaluated
  • Highest Price: $234.99
  • Lowest Price: $29.98
  • Avg. Price: $100.47
Price Disclaimer

Top 29 Glasfloss Furnace Filters on Amazon (Verified You can Buy)

Top 1

Glasfloss ZL 20x25x2 MERV 10 AC & Furnace Filters. 12 Pack. Actual Size: 19-1/2 x 24-1/2 x 1-3/4

Glasfloss
25.0 x 20.0 x 2.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 19.5” x 24.5” x 1.75” | Nominal Size: 20 x 25 x 2
MERV 10 Efficiency with MERV 8 Air Flow and pressure drop
Show More
Top 2

Glasfloss ZL 16x25x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 15-1/2 x 24-1/2 x 3-3/4

Glasfloss
25.0 x 16.0 x 4.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

PLEASE CHECK ACTUAL SIZE NEEDED: Actual Size: 15.5” x 24.5” x 3.75” | Nominal Size: 16 x 25 x 4
MERV 10 Efficiency with MERV 8 Air Flow (.25" W.C.)
Show More
Top 3

Glasfloss ZL 20x25x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 19-1/2 x 24-1/2 x 3-3/4

Glasfloss
ZL20254_M10
25.0 x 20.0 x 4.0 inches
5.0 Pounds

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 19.5” x 24.5” x 3.75” | Nominal Size: 20 x 25 x 4
MERV 10 Efficiency with MERV 8 Air Flow (.25" W.C.)
Show More
Top 4

Glasfloss ZL 20x25x1 MERV 10 AC Furnace Air Filters. Box of 6. Actual Size: 19-1/2 x 24-1/2 x 7/8

Glasfloss
20.0 x 25.0 x 1.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Nominal Size: 20x25x1 | Actual Size: 19-1/2 x 24-1/2 x 7/8 | 1 Inch Depth Filter
Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR rating 5 to 6.
Show More
Top 5

Glasfloss ZL 16x25x2 MERV 10 AC & Furnace Filters. 12 Pack. Actual Size: 15-1/2 x 24-1/2 x 1-3/4

Glasfloss
zlp16252_12
25.0 x 16.0 x 2.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

PLEASE CHECK ACTUAL SIZE NEEDED: Actual Size: 15.5” x 24.5” x 1.75” | Nominal Size: 16 x 25 x 2
MERV 10 Efficiency with MERV 8 Air Flow
Show More
Top 6

Glasfloss ZL 20x25x4 MERV 10 Pleated 4" Inch AC Furnace Air Filters. Box of 4. Actual Size: 19-1/2 x 24-1/2 x 3-3/4

Glasfloss
25.0 x 20.0 x 4.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

PLEASE CHECK ACTUAL SIZE NEEDED: Actual Size: 19-1/2 x 24-1/2 x 3-3/4 | Nominal Size: 20x25x4
Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR rating 5 to 6.
Show More
Top 7

Glasfloss ZL 20x20x2 MERV 10 AC & Furnace Filters. 12 Pack. Actual Size: 19-1/2 x 19-1/2 x 1-3/4

Glasfloss
20.0 x 20.0 x 2.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 19.5” x 19.5” x 1.75” | Nominal Size: 20 x 20 x 2
MERV 10 Efficiency with MERV 8 Air Flow & pressure drop.
Show More
Top 8

Glasfloss 16x25x1 MERV 10 Pleated AC Furnace Filter- (Pack of 12)- Proudly Made In The USA.

Glasfloss
16.0 x 25.0 x 1.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American AirZone -

Features

Glasfloss 16x25x1 furnace air filter or furnace air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price. Removes dust particles between 1 to 10 microns sizes
ASHRAE 52.2 Std MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used at homes, offices and hospitals.
Show More
Top 9

Glasfloss ZL 20x20x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 19-1/2 x 19-1/2 x 3-3/4

Glasfloss
zlp20204_12
20.0 x 20.0 x 4.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 19.5” x 19.5” x 3.75” | Nominal Size: 20x20x4
MERV 10 Efficiency with MERV 8 Air Flow (.25" W.C.)
Show More
Top 10

Glasfloss 16-3/8 x 21-1/2 x 1 Air Filters (Case of 6), MERV 10, Pleated, Made in USA

Glasfloss
ZL Series
21.5 x 16.37 x 1.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Air Filters Unlimited -

Features

MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7 or MERV 8 Pleated Filters
Great For Allergy Sufferers
Show More
Top 11

Glasfloss 16x20x1 MERV 10 (FPR 5-6) Pleated Air Filters By Glasfloss. Box of 6. Actual Size: 15-1/2 x 19-1/2 x 7/8

Glasfloss
15.5 x 19.5 x 0.88 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 15-1/2 x 19-1/2 x 7/8 | Nominal Size: 16x20x1
Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating.
Show More
Top 12

Glasfloss ZL 16x20x1 MERV 10 Air Filters for AC and Furnace. 4 PACK. Actual Size: 15-1/2 x 19-1/2 x 7/8

Glasfloss
16.0 x 20.0 x 1.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 15-1/2 x 19-1/2 x 7/8 | Nominal Size: 16x20x1
Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR rating 5 to 6.
Show More

20x25x1, GLASFLOSS INDUSTRIES, INC. Air Filter, MERV 3 (Pack of 12)

Glasfloss
GDS20251

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Air Filters Unlimited -
Top 14

Glasfloss ZL 16x20x2 MERV 10 AC & Furnace Filters. 12 Pack. Actual Size: 15-1/2 x 19-1/2 x 1-3/4

Glasfloss
20.0 x 16.0 x 2.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 15.5” x 19.5” x 1.75” | Nominal Size: 16 x 20 x 2
MERV 10 Efficiency with MERV 8 Air Flow
Show More
Top 15

Glasfloss 16x24x1 - MERV 10 - Pack of 12 - Furnace Air Filter - Made in USA (Actual Size: 15.5 x 23.5x7/8 inch)

Glasfloss
16.0 x 24.0 x 1.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American AirZone -

Features

Glasfloss 16x24x1 furnace air filter or furnace air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price. Removes dust particles between 3 to 10 microns sizes.
ASHRAE 52.2 Std MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used for home or office.
Show More
Top 16

20x25x1 MERV 10 (FPR 5-6) Pleated Air Filters By Glasfloss. Box of 6. Actual Size: 19-1/2 x 24-1/2 x 7/8

Glasfloss

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 19-1/2 x 24-1/2 x 7/8 | Nominal Size: 20x25x1
Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating.
Show More
Top 17

Glasfloss 20x36x1 - MERV 10 - Pack of 12 - Pleated Air Filter - Furnace Air Filter - Made in USA (Actual Size: 19.5 x 35.5 x 7/8 Inches)

Glasfloss
20.0 x 36.0 x 1.0 Inches
100.0 Kilograms

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American AirZone -

Features

Glasfloss 20x36x1 furnace air filter or furnace air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price.
Glasfloss 20x36x1 custom filters are ASHRAE 52.2 Std MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used for home or office
Show More
Top 18

Glasfloss Air Filter 16x30x2-2" MERV 10 - Pack of 12 - Pleated Air Filter - Furnace Air Filter - for Home or Office - Made In The USA (Actual Size: 15.5 x 29.5 x 1 3/4).

Glasfloss
16.0 x 30.0 x 2.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American AirZone -

Features

Glasfloss 16x30x2 furnace air filter or furnace air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price. Removes dust particles between 1 to 10 microns sizes.
ASHRAE 52.2 Std MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used at homes, offices, and hospitals.
Top 19

Glasfloss 21-1/2 x 23-5/16 x 1 Air Filters (Case of 6), MERV 10, Pleated, Made in USA

Glasfloss
ZL Series
23.31 x 21.5 x 1.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Air Filters Unlimited -

Features

MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7 or MERV 8 Pleated Filters
Great For Allergy Sufferers
Show More
Top 20

Glasfloss ZL 16x20x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 15-1/2 x 19-1/2 x 3-3/4

Glasfloss
20.0 x 16.0 x 4.0 inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 15.5” x 19.5” x 3.75” | Nominal Size: 16 x 20 x 4
MERV 10 Efficiency with MERV 8 Air Flow (.25" W.C.)
Show More
Top 21

Glasfloss 24x30x1-1 Inch MERV 10 - Pack of 12 - Pleated Air Filter - Furnace Air Filter- Made in USA (Actual Size: 23 1/2 x 29 1/2 x 7/8 Inch)

Glasfloss
24.0 x 30.0 x 1.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American AirZone -

Features

Glasfloss 24x30x1 furnace air filter or pleated air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price. Removes dust particles between 3 to 10 microns sizes.
ASHRAE 52.2 Std MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used for home or office.
Show More
Top 22

Glasfloss 24x24x2 MERV 10 Pleated AC Furnace Filter- (Pack of 12)- Proudly Made In The USA.

Glasfloss
24.0 x 24.0 x 2.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American AirZone -
Air Filters Unlimited -

Features

Glasfloss 24x24x2 furnace air filter or furnace air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price. Removes dust particles between 1 to 10 microns sizes.
ASHRAE 52.2 Std MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used for home or office.
Show More
Top 23

19 7/8 x 21 1/2 x 1 Carrier Replacement MERV 10 Pleated Air Filters by Glasfloss. Box of 6

Glasfloss
ZL Series
19.88 x 21.5 x 1.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 19 7/8 x 21 1/2 x 7/8 (19.875 x 21.5 x .875) | Nominal Size: 19 7/8 x 21 1/2 x 1
Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR rating 5 to 6.
Show More
Top 24

Glasfloss 20x30x1 - MERV 10 - Pack of 12 - Pleated Air Filter - Furnace Air Filter - Made in USA (Actual Size: 19 1/2 x 29 1/2 x 7/8 Inches)

Glasfloss
20.0 x 30.0 x 1.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American AirZone -

Features

Glasfloss 20x30x1 furnace air filter or furnace air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price. Removes dust particles between 1 to 10 microns sizes
ASHRAE 52.2 Std MERV 101 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used for home or office.
Show More
Top 25

Glasfloss 24x28x2 - 2 Inch MERV 10 - Pack of 6 - Pleated Air Filter - Furnace Air Filter - Made In The USA (Actual Size: 23 1/2 x 27 1/2 x 1 3/4 Inches)

Glasfloss

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American AirZone -

Features

Glasfloss 24x28x2 furnace air filter or furnace air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price. Removes dust particles between 1 to 10 microns sizes.
ASHRAE 52.2 Std MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used at homes, offices and hospitals
Top 26

Glasfloss ZL 24x24x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 23-3/8 x 23-3/8 x 3-3/4

Glasfloss
24.0 x 24.0 x 4.0 inches
100.0 Kilograms

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

PLEASE CHECK ACTUAL SIZE NEEDED: Actual Size: 23-3/8 x 23-3/8 x 3-3/4 | Nominal Size: 24 x 24 x 4
MERV 10 Efficiency with MERV 8 Air Flow (.25" W.C.)
Show More
Top 27

Glasfloss 18x24x1 MERV 10 Pleated AC Furnace Filter- (Pack of 12)- Proudly Made In The USA.

Glasfloss
18.0 x 24.0 x 1.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American AirZone -

Features

Glasfloss 18x24x1 furnace air filter or furnace air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price. Removes dust particles between 1 to 10 microns sizes.
ASHRAE 52.2 Std MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used at homes, offices, and hospitals
Show More
Top 28

Glasfloss ZL 16x25x2 MERV 13 (FPR 10) 2" Inch Air Filters for AC and Furnace. Case of 12. Actual Size: 15-1/2 x 24-1/2 x 1-3/4

Glasfloss

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FiltersDelivered 7,494

Features

Actual Size: 15-1/2 x 24-1/2 x 1-3/4 | Nominal Size: 16x25x2
Filtration Rating: MERV 13. Comparable to MPR rating 1900 to 2200, or FPR 10 to 12 rating.
Show More
Top 29

Glasfloss 16x25x4 MERV 10 Pleated AC Furnace Filter- (Pack of 6)- Proudly Made In The USA.

Glasfloss
16.0 x 25.0 x 4.0 Inches

Ratings for Glasfloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American AirZone -

Features

Glasfloss 16x25x4 furnace air filter or furnace air filter of MERV 10 rating offer better performance than MERV 8 with same or lower price. Removes dust particles between 1 to 10 microns sizes.
ASHRAE 52.2 Std MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rating to be used for home or office.
Show More

Top 10 Glasfloss Furnace Filters - Verified to Buy (Apr. 2024)

Related Glasfloss Furnace Filters Guides

For more personalized Glasfloss Furnace Filters guides, Check those pages,


Top 3 Glasfloss Furnace Filters Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 FiltersDelivered 754 4.9
🥈 Air Filters Unlimited 151 4.9
🥉 American AirZone 28 4.7
View or download top Glasfloss Furnace Filters seller & rating report
FiltersDelivered [754] Air Filters Unlimited [151] American AirZone [28] FiltersDelivered 81% Air Filters Unlimited 16% American AirZone 3%

[Get] Glasfloss Furnace Filters Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Glasfloss Furnace Filters Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Filtration, Appliances, Building Supplies supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Glasfloss Furnace Filters to buy for new April 2024?

CherryPicks’s Methodology for Evaluating Glasfloss Furnace Filters

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Filtration, Appliances, Building Supplies items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 202 of Glasfloss Furnace Filters reviews based on our selection criteria. It helped us shortlist the top qualified and rated Glasfloss Furnace Filters for Filtration, Appliances, Building Supplies, We found that most customers choose Glasfloss Furnace Filters with an average price of $100.47, and the top brands are Glasfloss

Then our expert-level editors reviewed all those quality items and selected the top 29 Glasfloss Furnace Filters for you, We have researched hundreds of sellers and picked the top sellers for Filtration, Appliances, Building Supplies, including FiltersDelivered, Air Filters Unlimited And American AirZone. The Glasfloss ZL 20x25x2 MERV 10 AC & Furnace Filte... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 222 consumers with an average rating of 4.8.

We've helped a lot of satisfied users get the right Industrial & Scientific, Tools & Home Improvement product based on their needs, and save lots of time for them to pick Glasfloss Furnace Filters to buy.


Written By Ronald M. Bieber

Ronald M. Bieber has rich experience as a science lab instructor in a college and this has provided him with the right requisite knowledge and experience to be a professional in the act of spotting the right and wrong product. He would be helping us make the right choice in this regard.