The Glasfloss Z-Line Series 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 Series SB, ZL and HV filters achieve a MERV 10 rating and MR-11 filters achieve a MERV 11 rating per the ANSI/ASHRAE 52.2 test standard.
Glasfloss® Replacement Pleated Air Filter, Z-Line® 400 HW Series, Synthetic Fiber Media, Die Cut Beverage Board Frame, 20 in Width, 25 in Height, 4 in Depth, 10 MERV, 24.43 sq-ft Media Area, 300 fpm Rated Velocity, 0.13 in-WG Initial Resistance, 1/2 in-WG Final Resistance, 20 x 24-7/8 x 4-3/8 in Actual, 180 deg F