Glasfloss ZL 20x25x4 MERV 10 Honeywell FC100A1037 Air Cleaner Filter Replacement. 2 Pack. Exact Size: 20 x 24-7/8 x 4-3/8

Nominal Size: 20 x 25 x 4.38 | Exact Size: 20 x 24-7/8 x 4-3/8 MERV 10 Air Cleaner Filter replacements for Honeywell FC100A1037, F-100 Air Filters. 100% Synthetic Media and Heavy-Duty Moisture-Resistant Construction The Z-Line Series Air Cleaner Replacement Filters achieve MERV 10 accordance with the ANSI/ASHRAE 52.2 Test Standard. Classified under U.L. std. 900. Recommended for Homes, Business, Commercial, and Industrial HVAC applications.