21x23_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack microbes Its compact power supply and

Its compact power supply and linear design reduces shadows on plants in grow spaces with a lot of natural sunlight

Original and Silver Bullet

That’s right

sanitize the injection port surface

fungicides and odor neutralizers in medium-sized locations

21x23_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack microbes Its compact power supply andNordic 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