16_1/4x21_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack misc Great White can be used

Great White can be used in hydroponics

Temperature and humidity have not been shown to inhibit colony establishment or feeding

Twister T2 Tumbler Guide Assembly

Wattage: 530 Watts

16_1/4x21_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack misc Great White can be usedNordic Pure Custom MERV 14 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