MadMax Trade Supply
Prices include the sales tax we pay at purchase (shown for Minnesota; your cart updates it for your ship-to state) and, where noted, shipping. No separate tax line. Order online; we email a secure payment link before anything ships.

Air filter size lookup

Enter the nominal size printed on your filter frame, like 16x25x1.

Don't see a match, or need a price? Request a quote with your filter size. Request a quote

Structure only: actual dimensions and SKUs fill in once size and SKU data is loaded. Prices: Price coming soon — request a quote.