20x22_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Ventilation/Air Conditioning B-Lite 315W CMH 4000K Red

B-Lite 315W CMH 4000K Red Enhanced

this compact design

from the household hobbyist to the commercial level grower

- 1-hour REI

Equilibrium Natural can be applied to all crops including vegetable crops

20x22_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Ventilation/Air Conditioning B-Lite 315W CMH 4000K RedNordic Pure Custom MERV 10 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