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21x26x4 (21.25x26x4) OEM MERV 16 PCO-20C Lennox® Replacement Filters
21x26x4 (21.25x26x4) OEM MERV 16 PCO-20C Lennox® Replacement Filters
Nominal size 21" x 26" x 4" (Actual Size 21 1/4 x 26 x 4)Part no. Lennox® X6669Fits Lennox® model number PCO-20C FREE SHIPPING!
Available to buy in increments of 2
21x26x4 (21.25x26x4) OEM MERV 16 PCO-20C Lennox® Replacement Filters
- Nominal size 21" x 26" x 4" (Actual Size 21 1/4 x 26 x 4)
- Part no. Lennox® X6669
- Fits Lennox® model number PCO-20C
FREE SHIPPING!