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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. The Z-Line 400 HW & HWR achieves a MERV 8 rating when tested in accordance with the ANSI/ASHRAE 52.2 Test Standard. Pre-applied gaskets on the assembled filters helps prevent air bypass.  Each filter is sealed in plastic to avoid contamination before use.

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. The Z-Line 400 HW & HWR achieves a MERV 11 rating when tested in accordance with the ANSI/ASHRAE 52.2 Test Standard. Pre-applied gaskets on the assembled filters helps prevent air bypass.  Each filter is sealed in plastic to avoid contamination before use.

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. The Z-Line 400 HW & HWR achieves a MERV 13 rating when tested in accordance with the ANSI/ASHRAE 52.2 Test Standard. Pre-applied gaskets on the assembled filters helps prevent air bypass.  Each filter is sealed in plastic to avoid contamination before use.