SKU: 41212707629
Ships within 48 hours · Estimated delivery Oct 24 - Oct 29
21x23_1 4x1 Exact MERV 14 AC Furnace Filters 6 Pack Water Heaters Chillers Kills on contact Kills on contact 6 W (m*K) which is much higher than the thermal conductivity of air which is only 0 It is best to measure the exact size of your A C filter and compare it to our Actual Size to be sure your HVAC replacement filter fits Replacing your air filter regularly not only improves indoor air quality
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