12_3/4x20_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack flowering nutrients This lmap is double jacketed

This lmap is double jacketed and can be used in open fixutres

Includes- Summit Ballast

Clear in-store EZ-CLONE system

edible plants

12_3/4x20_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack flowering nutrients This lmap is double jacketedNordic 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