15x15x1 Exact MERV 13 AC Furnace Filters 12 Pack Controllers Noise: 65dB

Noise: 65dB

on surfaces

Two separate set points can be adjusted from 4 to 7 pH and 900 to 1800 ppm (mg/L)

Monitor EC regularly and adjust accordingly based on crop and growth stage

15x15x1 Exact MERV 13 AC Furnace Filters 12 Pack Controllers Noise: 65dBNordic 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