Smith Permanent Aluminum Air Filters
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Bonded Aluminum FilterA thin, aluminum filter that consists primarily of layers of aluminum slit and expanded into mesh of differing densities. The Bonded Aluminum “fits” material is made of many layers of tiny baffles, bonded together to make a solid pad. The frame is made of lightweight aluminum, roll formed and riveted at one corner.
Multiple applications are available for the Bonded A filter including, but not limited to, ceiling vent fans, air cleaners, electronic equipment, computer environment systems, kitchen air exhaust systems, microwaves and wall heaters. 
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Heavy Duty Aluminum FilterHeavyweight aluminum filter. 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 heavy weight aluminum frame, mitered and secured at one corner by rivets.
Designed with an extra layer of heavier diamond grid to protect the finer layers behind, these filters can stand up to rigorous handling that some other lighter filters can not withstand. The filter is designed for applications such as industrial, commercial, schools, office buildings, hospitals, and hotels where a heavy duty permanent filter is recommended.
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Lifetime Aluminum FilterThe Lifetime Filter is a medium weight 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 heavyweight aluminum frame, mitered and secured at one corner by rivets.
The filter is designed for applications such as industrial, commercial, schools, office buildings, hospitals, and hotels where a medium weight permanent filter is recommended. Maximum temperature range on the Lifetime Filter is 250 degrees F. Available in both stock and special sizes. Available in 3” and 4” thicknesses.
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Mist Eliminator Aluminum FiltersThe Smith Mist Eliminators are designed for use in air handling systems requiring the collection of oil mist or water droplets. Oil mist in return air is often found in production machine shops.
Designed much like the mesh filters, these 2″ filters contain 10 layers of media, both expanded and screen media. The filter is enclosed in a heavy frame and contains at least 3 holes on both the top and the bottom to allow for proper drainage. The Mist Eliminator is available in a variety of depths from 1” up to 12”.
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R-FLO Aluminum FiltersThe Smith R-FLO Filter is a MERV 6 washable filter. The 1” consists of one layer of aluminum expanded material on both sides of the Poly Flo pad. The 2” consists of two layers of aluminum expanded material on both sides of the Poly Flo pad.
The Poly Flo pad is a 1” rigid construction self-supporting media made from 100% polyester. The media is enclosed in a heavyweight aluminum frame, mitered and secured at one corner by rivets. This filter can be used in similar applications where a metal mesh is needed. The R-FLO Filter is available in standard and non-standard sizes. Available in 1” and 2” thicknesses.
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