Smith - Permanent Air Filters

Lifetime Filter 20x20x1

The Smith LIFETIME filter is made from seven layers of expanded sheet Aluminum known as 3003-H14, expanded to .031 strand. Frames are made from sheet aluminum .040 thickness and roll formed to allow for precise dimensions, then joined together by...

Lifetime Filter 16x20x1

The Smith LIFETIME filter is made from seven layers of expanded sheet Aluminum known as 3003-H14, expanded to .031 strand. Frames are made from sheet aluminum .040 thickness and roll formed to allow for precise dimensions, then joined together by...

Lifetime Filter 16x25x1

The Smith LIFETIME filter is made from seven layers of expanded sheet Aluminum known as 3003-H14, expanded to .031 strand. Frames are made from sheet aluminum .040 thickness and roll formed to allow for precise dimensions, then joined together by...

Thrift-Aire Filter 16x20x1

The THRIFT-AIRE filter is a six layer filtering element, processed from sheet Aluminum commercially known as 3003-H14 .025 thickness, expanded to .20 strand at specific feeds to assure maximum filtering and internal loading capabilities. The frame is...