6x30x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack growing-media supermarkets and growers

supermarkets and growers

PBA Free or HDPE grade bottles

13 ft acid/alkali resistant dosing tube

• Cable Tie (x1)

Highly recommend for serious growers

6x30x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack growing-media supermarkets and growersNordic Pure Custom MERV 13 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