17_1/2x27x1 Trane Replacement MERV 8 Plus Carbon AC Furnace Filters 6 Pack grow media which leads to improved yields

which leads to improved yields

living bacterial inoculant

The Luxx Lighting 630W CMH is becoming the most popular lamp in the horticultural industry in years

Max-Fan™

17_1/2x27x1 Trane Replacement MERV 8 Plus Carbon AC Furnace Filters 6 Pack grow media which leads to improved yieldsNordic 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