Skip to content
Glasfloss feature image

Glasfloss

4.7 Fact checked

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

When purchasing a product, price is the consumer's primary concern. At present, Glasfloss has 306 products for sale. Glasfloss products range in price from $29.99 to $99.98, and the average price of all the products is about $60.14.

We found that most of the Glasfloss products are manufactured by Glasfloss Industries and GlasFloss LP. The manufacturers provide Glasfloss with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Glasfloss products from the seller FiltersDelivered. The brand holds an average rating of 4.7, testifying to its excellent reputation.

Share

Glasfloss Best Sellers

Last Updated: Jan 12, 2025

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

  • 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.
  • Pressure drop is comparable to a MERV 8. Made in the USA. Ideal for residential and commercial use.

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

  • MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7 or MERV 8 Pleated Filters
  • Great For Allergy Sufferers
  • Expanded Metal Backing on Synthetic Media with Heavy Duty Frame That Resists Moisture.

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

  • 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
  • Electrostatic Air Filters for homes, business, schools, apartments, hotels and industrial.

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

  • MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7 or MERV 8 Pleated Filters
  • Great For Allergy Sufferers
  • Expanded Metal Backing on Synthetic Media with Heavy Duty Frame That Resists Moisture.

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

  • 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.)
  • Electrostatic Air Filters for homes, business, schools, apartments, hotels and industrial

Glasfloss 20x25x4 MERV 10 (FPR 5-6) 4" Inch Pleated Air Filters Box of 3. Actual Size: 19-1/2 x 24-1/2 x 3-3/4

  • Actual Size: 19-1/2 x 24-1/2 x 3-3/4 Nominal Size: 20x25x4
  • Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating.
  • Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy duty frame won't buckle.

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

  • 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
  • Air Filters for homes, business, schools, apartments, hotels and industrial.

Glasfloss 16x25x1 MERV 10 (FPR 5-6) Pleated Air Filters By Glasfloss. Box of 6. Actual Size: 15-1/2 x 24-1/2 x 7/8

  • Actual Size: 15-1/2 x 24-1/2 x 7/8 Nominal Size: 16x25x1
  • Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating.
  • Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy duty frame won't buckle.

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

  • 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.)
  • Electrostatic Air Filters for homes, business, schools, apartments, hotels and industrial.

16x25x1 Glasfloss Fiberglass Air Filter, Double Strut, GDS Series, Made in USA, Actual Size: 15 5/8 x 24 5/8 x 3/4 (Box of 6)

  • Heavy-duty, one piece craft board frame.
  • Double Strut design for performance and durability.
  • 10% greater open area compared to other furnace filters.

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

  • 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.
  • Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy duty frame won't buckle.

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

  • Actual Size: 19.5” x 19.5” x 3.75” Nominal Size: 20x20x4
  • MERV 10 Efficiency with MERV 8 Air Flow (.25" W.C.)
  • Air Filters for homes, business, schools, apartments, hotels and industrial.

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

  • 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
  • Air Filters for homes, business, apartments, hotels and industrial.

Glasfloss ZL 16x25x1 MERV 10 Air Filters for AC and Furnace. 4 PACK. Actual Size: 15-1/2 x 24-1/2 x 7/8

  • Actual Size: 15-1/2 x 24-1/2 x 7/8 Nominal Size: 16x25x1
  • Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR rating 5 to 6.
  • Air Filters for homes, business, schools, apartments, hotels, and industrial applications.

Glasfloss 19-7/8 x 21-1/2 x 1 Air Filters (Case of 4), MERV 10, Pleated, Made in USA

  • MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7 or MERV 8 Pleated Filters
  • Great For Allergy Sufferers
  • Expanded Metal Backing on Synthetic Media with Heavy-Duty Frame That Resists Moisture

Glasfloss 16-3/8 x 21-1/2 x 1 Air Filters (Case of 4), MERV 10, Pleated, Made in USA

  • MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7 or MERV 8 Pleated Filters
  • Great For Allergy Sufferers
  • Expanded Metal Backing on Synthetic Media with Heavy Duty Frame That Resists Moisture.

Glasfloss 21-1/2 x 23-5/16 x 1 Air Filters (Case of 4), MERV 10, Pleated, Made in USA

  • MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7 or MERV 8 Pleated Filters
  • Great For Allergy Sufferers
  • Expanded Metal Backing on Synthetic Media with Heavy Duty Frame That Resists Moisture.

Glasfloss Industries ZLP16251 Z-Line Series ZL MERV 10 Pleated Filter, Case of 12

  • MERV 10 Performance
  • Extended surface, 14 pleats per linear foot
  • Made in the USA

Glasfloss Industries ZLP 20x20x1 Z-Line Series ZL MERV 10 Pleated Filter. Case of 12

  • MERV 10 Performance - Nominal Size 20x20x1 - Exact Size 19-1/2 x 19-1/2 x 7/8
  • Extended surface, 14 pleats per linear foot
  • Made in the USA

Glasfloss 16x25x4 MERV 10 AC & Furnace 4" Depth Air Filters. Box of 4. Actual Size: 15-1/2 x 24-1/2 x 3-3/4

  • PLEASE CHECK ACTUAL SIZE NEEDED: Nominal Size: 16x25x4 Actual Size: 15-1/2 x 24-1/2 x 3-3/4 4 Inch Depth Filter
  • Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR rating 5 to 6.
  • Air Flow: Comparable to MERV 8. Durable & Long Lasting: Heavy duty frame won't buckle.

Glasfloss FAQs