Multiple layers of expanded aluminum, enclosed in a medium weight aluminum frame. Designed for air applications such as make up air roof top units in light industrial, commercial, schools, and office buildings where a lighter weight washable filter is recommended. They can also be used as pre filters, which would remove large particles that easily clog a filter. Pre filters keep the main filter lasting longer and the unit running more smoothly.

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CONSTRUCTION: The Thrift Aire Filter is a lightweight aluminum filter. It consists of multiple layers of aluminum expanded material, assembled in alternating layers to assure maximum filtering and internal loading capabilities. The media is enclosed in a medium weight aluminum frame, mitered and secured at one corner by rivets. The filter is designed for applications such as light industrial, commercial, schools, and office buildings where a lightweight permanent filter is recommended. Maximum temperature range on the Thrift Aire Filter is 240 degrees F. Available in both stock and special sizes. Available in 3″ and 4″ thicknesses.


MATERIAL: Filtering element shall be processed from sheet aluminum, commercially known as 3003-H22, .025 in thickness expanded with .032 strand. Frame shall be made from sheet aluminum 3003-H14, .025 thickness.

Note: All Smith Permanent stock sizes are 1/2″ under on width and height, 1/8″ under on thickness.

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(Actual Size
1/2″ under)
Pack Ctn/
Lbs. Ctn
16 x 20 x 1TA16201N12
/18 lbs.
16 x 25 x 1TA16251N12
/22 lbs.
20 x 20 x 1TA20201N12
/22 lbs.
20 x 25 x 1TA20251N12
/26 lbs.
24 x 24 x 1TA24241N12
/30 lbs.
10 x 20 x 2TA10202N12
/14 lbs.
12 x 24 x 2TA12242N12
/20 lbs.
16 x 20 x 2TA16202N12
/22 lbs.
16 x 25 x 2TA16252N12
/27 lbs.
20 x 20 x 2TA20202N12
/27 lbs.
20 x 25 x 2TA20252N12
/32 lbs.
24 x 24 x 2TA24242N12
/37 lbs.

Net Face Velocity F.P.M.Resistance in Inches of W.G. nominal thicknessC.F.M. Capacity by Size
1 Inch2 Inch10×2016×2016×2520×2020×2524×24

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