20x26x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack grow-light-reflectors Feed Rate: Up to 3Lbs/Min

Feed Rate: Up to 3Lbs/Min

increments from 1-6 tsp

Intended for use with mushroom cultivation supplies such as Pacific Substrates Goonie Grains

75-inch small high-tech design horticulture pruner for pruning and training of vines and fruit trees

20x26x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack grow-light-reflectors Feed Rate: Up to 3Lbs/MinNordic 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