17x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack house and garden soil SunBlaster recommends rotating your trays

SunBlaster recommends rotating your trays every few days to prevent the roots from growing into your wicking mat and making post harvest clean up a breeze

Different ratios of Grow

PHRS010 Reflector: Hydrofarm engaged a renowned American lighting engineer to design the most efficient DE enclosed type reflector on the market

Silicone backed nylon exterior

Allows you to effortlessly disconnect the bubbler for cleaning purposes

17x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack house and garden soil SunBlaster recommends rotating your traysNordic 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