Air Filters Made in the USA. Free Shipping to most U.S. states*. International shipping available. Subscriptions now available for certain products.
Smith 304 Stainless Steel Metal Air Filter

Smith 304 Stainless Steel Air Filter - Permanent - Washable

Regular price $113.85 Sale


Shopify secure badge

The "Cadillac" of Air Filters. 

The Smith 304 stainless steel filter offers the longest life in difficult filtering areas. It's designed for efficiency and easy cleaning. Because of the stainless steel, it can withstand harsh chemicals when it comes to cleaning. 
Contact us for 3/8", 1/2", 1", and 2" custom sizes.
Nominal sizing, 1/2" undercut on width and height, and 1/8" under on thickness. 

If your size is not listed, please contact us so we can list your size.
Construction:
Frame shall be one piece, formed stainless steel channel, securely connected with heavy rivets. Filtering media shall consist of multiple layers of corrugated stainless steel expanded through specified feeds to assure maximum filtering and internal loading capabilities. Filters shall retain 240 grams of grease or 300 grams of dust per 400sq. inches of filter area. Resistance when clean is 0.075 w.g. at 350 f.p.m. air velocity.
Material:

Filtering element shall be processed from stainless steel sheet expanded to .032 strand. Frame shall be made from type 304 stainless steel, not less than .024 thickness, joined with stainless steel rivets. Maximum temperature range on this stainless steel filter is 900 degress F.
 Standard sizes: 16x20x1, 16x25x1, 20x20x1, 20x25x1, 24x24x1, 10x20x2, 12x24x2, 16x20x2, 16x25x2, 20x20x2, 20x25x2, 24x24x2

Non-standard sizes are also in the dropdown menu for your ordering convenience but may have a handling time of OVER 30 business days.

Due to possible materials shortages and unforeseen events, by ordering you consent to any handling time for any size.

 

Air Delivery Data:


Net Face Velocity F.P.M. Resistance in Inches of W.G. nominal thickness C.F.M. Capacity by Size
1 Inch 2 Inch 10×20 16×20 16×25 20×20 20×25 24×24
267 0.057 0.030 282 467 597 600 768 897
356 0.100 0.057 376 623 796 800 1024 1197
445 0.158 0.087 469 779 995 1000 1279 1496
533 0.240 0.128 562 933 1192 1200 1532 1791
622 0.340 0.190 656 1089 1391 1400 1788 2091
711 0.447 0.244 750 1244 1590 1600 2044 2390
800 0.570 0.305 844 1400 1789 1800 2300 2689
889 0.700 0.379 938 1556 1988 2000 2556 2988
978 0.466 1032 1712 2187 2200 2812 3287
Shopify secure badge