15x15x1 Exact MERV 13 AC Furnace Filters 12 Pack Controllers Two separate set points can

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

Use with special horticultural lamp 1000W driver

Noise: 65dB

UL1598 and IP66 wet-rated for use in wet environments

Dimension & Weight - L145xW88xH35mm

15x15x1 Exact MERV 13 AC Furnace Filters 12 Pack Controllers Two separate set points canNordic 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