3M Filtrete 20 In. x 30 In. x 1 In. 100 MPR Basic Custom Fit Trimmable Air Filter PC-CONCRETE 3 louver damper system prevents

3 louver damper system prevents cold air

Cord and antenna-free design allows for easy mobility

6 TPI U-Shank

loading ramps and docks

The removable pin broad hinge is designed for general utility and industrial applications

3M Filtrete 20 In. x 30 In. x 1 In. 100 MPR Basic Custom Fit Trimmable Air Filter PC-CONCRETE 3 louver damper system preventsFiltrete Basic Custom Fit Air Filter outperforms fiberglass air filters for your furnace, air conditioner, or HVAC system. Captures particles such as lint and household dust. Quickly cuts to the size needed. Filter is washable and reusable. For best performance, change air filter every 90 days or sooner. (50. 8 cm x 76. 2 cm x 2. 5 cm)