Tier1 brand replacement for Carrier FILCCFNC0021 - 19 x 20 x 4-1/4 - MERV 8 (2-Pack) Everpure these cartridges are made from

these cartridges are made from 100% Polypropylene and meet all requirements set forth by the FDA for safe food and beverage contact

1 microns or smaller in size and is a replacement for the Aprilaire/Space-Gard #401

This filter reduces contaminants such as bacteria

This cartridge installs easily into filtration system housings that use 10x4

Providing up to one full year's worth of filtration

Tier1 brand replacement for Carrier FILCCFNC0021 - 19 x 20 x 4-1/4 - MERV 8 (2-Pack) Everpure these cartridges are made fromThis Tier1 C0021 air filter is rated at MERV 8 to capture particles 3 10 microns in size. Replacement for: Carrier FILCCFNC0021.