18x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack pest control This special blend was formulated

This special blend was formulated for organic growers

while providing the best possible lighting for all Indoor Horticultural applications without fail or compromise

Gard’n Clean GC Liquid removes the need to purchase liquid-based sanitizers

Not sure what Dutchpro can do for you

Zero Cards

18x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack pest control This special blend was formulatedNordic 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