16_1/4x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack pump Terrific alternative to separate bouffant

Terrific alternative to separate bouffant and beard cover

they can more efficiently use energy for vegetative growth and flower production

75-inch stainless steel knife blade and 3

25% stronger than our standard vac seal bags

16_1/4x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack pump Terrific alternative to separate bouffantNordic Pure Custom MERV 13 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