20x26x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack grow-light-reflectors This broad spectrum algaecide

This broad spectrum algaecide

Feed Rate: Up to 3Lbs/Min

Intended for use with mushroom cultivation supplies such as Pacific Substrates Goonie Grains

increments from 25-400ml

Do you want to enjoy the natural taste of an organic harvest but can't let your system go

20x26x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack grow-light-reflectors This broad spectrum algaecideNordic Pure Custom MERV 8 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