17_1/8x26_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Nutriants 62% RH is widely recognized

62% RH is widely recognized as the optimal humidity level for cured cannabis and dried botanical products

LED Display

Grow More Mendocino Grow 2-1-6*

Provides fast nutrient absorption

MaxPar 600W Double Ended Single Jacket Metal Halide 4K lamp is suitable for both flowering and vegetative growth

17_1/8x26_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Nutriants 62% RH is widely recognizedNordic 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