8x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_hrg Ultra thin and unfolded designed

Ultra thin and unfolded designed is optimized for easy mounting for every level grower

We’re switching all units to GroEzy

Ingredients: 50-60% aged wood product

pots soil bags

a 51F is a 120 Volt

8x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_hrg Ultra thin and unfolded designedNordic Pure Custom 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: Furnace and air condition