18x27x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack New-releases 5 gallon case

5 gallon case

Boost Bloom Quality & Density for Optimized Yields

Phytopthora sp

Weight: 27 lbs 11 oz (12

wear and tear-resistant material for cylinder and piston

18x27x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack New-releases 5 gallon caseNordic Pure Custom MERV 12 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: Furnace and air condition