6x30x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Air Purification of Pro-TeKt® per gallon of

of Pro-TeKt® per gallon of water and add to the system’s holding tank

soil staying loose and airy

industrial grade construction and durability

Root Royale Cocopure and Cocolite are RHP certified and have very low EC values

6x30x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Air Purification of Pro-TeKt® per gallon ofNordic 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