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This Lennox X4138 HEPA 40/60 Carbon PreFilter is compatible with the following units:
This Lennox air filter replacement offers powerful yet quiet performance. The Lennox Carbon PreFilter contains particles and prevents them from escaping. This Lennox Healthy Climate filter also features an Optional Carbon Canister that helps trap and remove odors.
The Lennox X4138 HEPA 40/60 Carbon PreFilter Specifications:
This Lennox X4138 filter offers a Three-Stage Filtration Process: Stage 1: Pre-filter - an inexpensive pre-filter to remove larger particulates from the air. Stage 2: removes 99.97% of particulates down to 0.3 micron. Stage 3: Carbon - 1/2 in. (13 mm) thick carbon filter for removing chemicals and odors from the air. The optional carbon canister with this Lennox Carbon PreFilter can be used in place of the carbon filter. Estimated life of the carbon canister is 6 months.