Pay in 4 interest-free payments of $28.75 Learn more
Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Alternate option: Aprilaire #35 Two Pack
*new filter replacement will be Aprilaire 413 (included in this kit)
no cancellations
FILTER COMES WITH SPONGE GASKETS (FOAM STRIPS) ON TOP AND BOTTOM FOR TIGHT SEAL
1" Custom Size Poly/Fiberglass Throwaway - Case of 12 Square inch area:300"-699" Alternate option: Aprilaire #35 TwoFIBERGLASS POLY THROWAWAY CUSTOM SIZE 1" FILTERS *Due to increasing shipping charges we will no longer make filters any longer than 25 inches if you require a longer length please consider halving your length and combining two filters STEP 1 Enter exact size (height and length) in inches STEP 2 Select correct square inch area* Pricing is by the case of 12 individual filters. Multiply your height and length measurements to obtain correct square area