24 1/2x27x1 Trane ReplacementMERV 14 Plus Carbon AC Furnace Filters 6 Pack BVV strain ANT-03 was isolated from

strain ANT-03 was isolated from an infected plant bug (Lygus lineolaris) in Montreal and was proven to be the ideal choice for the main ingredient in what would become BioCeres WP

The Max Fan Saves Energy

Self-Cleaning

Warranty  3 Year Limited Warranty

the flaps close onto a perimeter gasket

24 1/2x27x1 Trane ReplacementMERV 14 Plus Carbon AC Furnace Filters 6 Pack BVV strain ANT-03 was isolated fromNordic Pure 24 1 2x27x1 Trane Replacement MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: