Lennox X4138 Healthy Climate HEPA-40/60 Carbon Pre-Filter by Lennox at N Online Agency. MPN: X4138. Hurry! Limited time offer. Offer valid only while supplies last. Lennox X4138 Healthy Climate HEPA-40/60 Carbon Pre-Filter
Three-Stage Filtration Process:
- Stage 1: Pre-filter - an inexpensive pre-filter to remove larger particulates from the air. This is important to prolong the life of the HEPA filter. Rated MERV 6. Estimate life - 12 months.
- Stage 2: HEPA - removes 99.97% of particulates down to 0.3 micron. Estimate life 2-5 years.
- Stage 3: Carbon - 1/2 in. (13 mm) thick carbon filter for removing chemicals and odors from the air. Replace
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sku: 3MMGVP-440, mpn: 70070515682, ean: 0051138292195,