15x15x1 Exact MERV 13 AC Furnace Filters 6 Pack -monitors-&-timers The small bag will work

The small bag will work in brewers from 3 gallon up to 10 Gallon

The Pot’s built in stakes and webbed bottom provide a seamless transplant to a PotPro Slab or alternate medium

the PPFD sensor will AUTOMATICALLY increase or decrease the output level of your supplemental lighting systems to continuously maintain the exact lighting level (in PPFD) that the user selects

and a professional appearance

fit directly onto the ducting

15x15x1 Exact MERV 13 AC Furnace Filters 6 Pack -monitors-&-timers The small bag will workNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200