Excellence in Air Filtration Since 1936


We are committed to providing our customers quality products with reliable performance and the best lead times in the air filtration industry.

Magna 600, 800 & 900

Magna 600, 800 & 900

Puracell® VP & VPX

Puracell® VP & VPX

Puracell® 5V

Puracell® 5V

Puracell® II P & PH

Puracell® II P & PH

Puracell® II-S & II P-S 2" Depth

Puracell® II-S & II P-S 2" Depth

The Clear Choice for your air filtration needs.

Five manufacturing facilities across the United States

Worldwide reputation for quality products with reliable performance and superior value

Continued commitment to research and development

The best lead times in the air filtration industry

About Us

Glasfloss is the oldest American owned and operated manufacturer of HVAC filters. Established in 1936, we have grown from a small, special-size air filter fabricator in New York City to a full-line manufacturer with five manufacturing facilities across the United States.

Latest Posts

  • Glasfloss Exciting Announcement!
    Glasfloss is proud to be the oldest American owned and operated manufacturer of HVAC filters since 1936. We have served our customers in the expanding air filtration market and have been privileged to have a multitude of strong distributor relationships throughout the industry. Our dedicated and experienced … Read more
  • Summer/Fall 2022 Airwaves Newsletter
    Summer is Always Busy With the first half of 2022 behind us, we hope the filtration side of your business is functioning closer to normal now. Lead times at Glasfloss have improved substantially, most notably during the second quarter. Staffing and supply chain developments have helped improve … Read more