Filtrete™ Basic Dust & Lint Air Filter, 300 MPR, 303-4, 20 in x 25 in x 1 in lanterns Tough non-woven disc aggressively deburrs

Tough non-woven disc aggressively deburrs and finishes

Worldwide Usage TÜV certified

Vented options

pharmaceuticals and primary metals

Every kit in the Residential Series is available in our classic case - the solid blue

Filtrete™ Basic Dust & Lint Air Filter, 300 MPR, 303-4, 20 in x 25 in x 1 in lanterns Tough non-woven disc aggressively deburrs#1 Recommended Brand* (*Filtrete Brand is the most recommended brand of HVAC Air Filters based on the US Filtrete Brand Health Tracker, Ipsos, June 2022) The higher the MPR, the more microparticles such as pollen, pet dander and smoke your filter will capture from the air passing through it CHANGE FILTER AT LEAST EVERY 90 DAYS for optimal performance of your heating & cooling system or HVAC system A dirty filter will slow down air flow and make the