17_1/2x27x1 Trane Replacement MERV 8 Plus Carbon AC Furnace Filters 6 Pack microbes It is an excellent nontoxic

It is an excellent nontoxic

even coverage over a 3' x 5' growing area

ndividual LED Indicator for Each Output

Minimum Order Quantity: 40 bags

Free Air Dispalcement - (CFM)  3 CFM

17_1/2x27x1 Trane Replacement MERV 8 Plus Carbon AC Furnace Filters 6 Pack microbes It is an excellent nontoxicNordic Pure Trane Replacement MERV 8 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