GeneralAire # 4541 MERV 11 for # GF 4511 ReservePro 16x25x5 furnace Filter

This Is Genuine Original Generalaire Product. Part # 4541 Merv 11 Exact Size Of 4511. Generalaire Reservepro 16X25X5 Pleated Media Filters Are High-Efficiency Merv 11 Filters With More Surface Area For A Longer Filter Life. Fits Generalaire Mac 1400, #4511 Source1 S1-Mac10162505, #S1-Fm10162505 Trion Air Bear Supreme 1400, #255649-105 Skuttle Dbo-0025-016, #448-1 Ultravation 90-006, #91-005.