22x23x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories The SolarSystem 550 is a

The SolarSystem 550 is a game changer for LED grow lights

The respective companies lead the field in LED R&D

and adverse weather conditions that can prematurely end your growing season than nonwoven poly covers

increase efficiency of water use and drought tolerance

22x23x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories The SolarSystem 550 is aNordic 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