The Glasfloss Z-Line Series MERV 11 pleated filters offer improved performance for virtually every application. All Glasfloss Z-Line pleated filters feature fibers which do not absorb moisture and will not support microbial growth.

The Glasfloss Z-Line 400 HW & HWR (Honeywell) is a replacement option for the Honeywell F-100 and FC40R air filters. The ZLine 400 HW & HWR incorporates 100% synthetic fibers that are thermally-bonded, and manufactured in an engineered gradient structure.