6x30x1 Exact MERV 14 AC Furnace Filters 6 Pack Environmental Controllers Automatic Frequency Adjustment

Automatic Frequency Adjustment

This is the only dome on the market with adjustable top and side vents to better control humidity and temperature

and precise temperature readings with dual thermal probes and thermal-threshold auto dim-shutdown for additional protection

Two-Way Humidity Control – Actively adds or absorbs moisture to maintain a precise 62% RH

ZeroTol HC is perfect for the indoor or hydroponics grower with 500 sq

6x30x1 Exact MERV 14 AC Furnace Filters 6 Pack Environmental Controllers Automatic Frequency AdjustmentNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.