Reservepro 16x25x5 GF 4511 MERV 10, 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 15-3/8″ x 7-1/8″ x 3/4″ and Generalaire Model 570

and Generalaire Model 570

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

Y6608 Maintenance Kit Available for Lennox PureAir PCO3-20-16

The X8349 Annual Maintenance Kit includes:

Source1 S1-MAC10162505

Reservepro 16x25x5 GF 4511 MERV 10, 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 15-3/8″ x 7-1/8″ x 3/4″ and Generalaire Model 570MERV 10 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) 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 MERV 10 Rated Package of 3