21x27x1 Trane Replacement MERV 7 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories THIS PRODUCT IS AVAILABLE IN

THIS PRODUCT IS AVAILABLE IN 50 GALLON DRUMS

Plugs should remain damp but not soaking

6" x 24" Standard Carbon Air Filter

DYNOMYCO® delivers a high propagule count per gram — meaning faster colonization

• Conductivity probe with 1' NPT thread

21x27x1 Trane Replacement MERV 7 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories THIS PRODUCT IS AVAILABLE INNordic Pure Trane Replacement 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