Perm-A-Foam Filter

Perm-A-Foam Filter 20x20x1

The Smith PERM-A-FOAM filter is a permanent pleated filter that provides 40% more filtering area than a regular flat filter. A sandwich structure consists of two layers of heavy expanded aluminum separated by a 1/8" polyurethane foam pad. This pad is...

Perm-A-Foam Filter 16x20x1

The Smith PERM-A-FOAM filter is a permanent pleated filter that provides 40% more filtering area than a regular flat filter. A sandwich structure consists of two layers of heavy expanded aluminum separated by a 1/8" polyurethane foam pad. This pad is...