Tier1 brand replacement for Carrier FILCCFNC0021 - 19 x 20 x 4-1/4 - MERV 13 (2-Pack) Coupon_tier1_ro_undersink This filter helps minimize maintenance

This filter helps minimize maintenance costs by reducing scale and clogging of distribution lines

sediment and potentially harmful VOCs from the water in your home

The Aprilaire 410 is a MERV 11 air purifier replacement filter for Aprilaire model air cleaners 1410

For use in heavy duty systems that accept filter cartridges sized 9 3/4 by 2 1/2 inches

The WB-HB-20-20W Harmsco pleated filter cartridge is sized 20 x 4

Tier1 brand replacement for Carrier FILCCFNC0021 - 19 x 20 x 4-1/4 - MERV 13 (2-Pack) Coupon_tier1_ro_undersink This filter helps minimize maintenanceThis Tier1 C0021 air filter is rated at MERV 13 to capture 90% of particles, 1 microns or smaller in size. Replacement for: Carrier FILCCFNC0021.