16_3/8x21_3/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack PPE Engineered for maximum efficiency

Engineered for maximum efficiency

experience an improvement in plant establishment and accelerated plant growth

POWER: 200W

9% of odors commonly found in grow facilities

including crop specific diseases

16_3/8x21_3/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack PPE Engineered for maximum efficiencyNordic Pure Custom MERV 10 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