ReservePro 16x25x5 GF 4511 MERV 11 fits Mac 1400 Air Cleaners. Actual Size 15 5/8 x 24 3/16 x 4 15/16. Case of 3 Made by Furnace Filters.Ca 16x25x1 Compare to 3M Filtrete 1000

Compare to 3M Filtrete 1000 MPR (Mirco Particle Rating)

We highly recommend disconnecting the electrical power to the Air Cleaner using a qualified Technician

Fits ReservePro Mac 1400

No need for the 2 Aluminum Mesh Pre -Filters

IS5000 (x3)

ReservePro 16x25x5 GF 4511 MERV 11 fits Mac 1400 Air Cleaners. Actual Size 15 5/8 x 24 3/16 x 4 15/16. Case of 3 Made by Furnace Filters.Ca 16x25x1 Compare to 3M Filtrete 1000MERV 11 GeneralAire GF 4511 4541, ReservePro 16 x 25 x 5 for MAC 1400 Air Cleaners This is an Aftermarket Generic Product Manufactured in Canada Actual Size 15 5 8" x 24 3 16" x 4 15 16" (with foam strips) MERV 11 Rated Also Fits: Source 1 # S1 FM10162505, S1 MAC10162505; Trion Air Bear Supreme 1400, #255649 105; Skuttle DB0 0025 016, #448 1; Ultravation 90 006, #91 005 Case of 3