20x20_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Nutrients and Supplements Includes: Power supply and all

Includes: Power supply and all mounting hardware

Light Size: 875*862*94MM

No more ropes hanging everywhere

Rainbow Mix PRO™ Grow pushes the boundaries of what is possible in a powder/granular plant nutrient

With an N-P-K of 2-0-2

20x20_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Nutrients and Supplements Includes: Power supply and allNordic Pure Custom MERV 7 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