Welcome to Glasfloss Industries, the world's oldest manufacturer of HVAC air filters. Owned and operated by the same family since 1936, Glasfloss is committed to producing the highest quality air filtration products for a variety of industrial, commercial and residential applications. From disposable panel filters to HEPA filters, Glasfloss is the Clear Choice for all of your air filtration needs.
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Glasfloss Z-Line Series, SB, ZL and HV Are Now MERV 8 Standard - Glasfloss is pleased to announce that we are in the process of upgrading our Z-Line Series pleated filter performance to MERV 8.
MERV 13 Air Cleaner replacement filters now available - Glasfloss now offers MERV 13 in addition to MERV 8 and MERV 11.
MR-13 Announcement - Learn about the new Glasfloss MERV13 MR13 air filter
Glasfloss Introduces the New Z-Line Series MR-13, MERV 13 Pleated Air Filter - Learn about the new MR13 MERV 13 Pleated Air Filter by Glasfloss Industries.
New HWR Series Air Cleaner Filter - Glasfloss has introduced the new HWR Series air cleaner replacement filters.
