14x22x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack grow-light-reflectors OMRI Listed broad spectrum algaecide

OMRI Listed broad spectrum algaecide and fungicide

diapausing larvae

External LED Cable Connect

All RAW Microbes are Double Tested

Micro sized

14x22x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack grow-light-reflectors OMRI Listed broad spectrum algaecideNordic 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