22x23x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories The respective companies lead the

The respective companies lead the field in LED R&D

(1) Timer TN311C

increasing efficiency by reducing defrost time

All cuttings and clones (has shown close to 100% success rate)

The SolarSystem 550 is a game changer for LED grow lights

22x23x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories The respective companies lead theNordic 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