17x25x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Promote Inoculate flowering and fruiting plants

Inoculate flowering and fruiting plants with the high CFUs

CO2 injection

green leaves

Coco Coir croutons are fresh water rinsed and ready to use

Sun Grip light hangers included for quick

17x25x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Promote Inoculate flowering and fruiting plantsNordic Pure Custom MERV 8 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