11x32_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack AC / Dehumidification / Humidification Per pack contains 35 tubes

Per pack contains 35 tubes

Can be used in any Growing Media

Active Air dehumidifiers provide high performance

coco and hydroponics DYNOMYCO® improves plant nutrient and water uptake

Due to the well-aerated nature of Kings Mix

11x32_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack AC / Dehumidification / Humidification Per pack contains 35 tubesNordic Pure Custom MERV 7 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