- OEM part
- MERV 6 rating
- Extends life of HEPA filter
- Fits the Lennox HEPA 20 air cleaner
- Replace every 12 months for best performance
FREE SHIPPING! Item usually ship within 24hrs M-F (Currently we have delays on some 1, 2, 4 inch air filters due to heavy demand)
Phone: 910-401-3910
Furnace Filters by Size 1 inch
Add your deal, information or promotional text
Air Purifiers
Most Popular
Top Air Purifiers
Whirlpool HEPA Filters and Prefilters
DLXX4137
$ 39.84 $ 69.00 You save: 42% ($ 29.16)
Lennox Carbon Pre Filter X4137