17x27x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Dispensary At an application rate of

At an application rate of 5 ml per gallon

plant quality

Grower’s Choice Horticultural Lighting has introduced their first digital 315 watt ceramic metal halide fixture

Bayonet Neill-Concelman (BNC) connector

17x27x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Dispensary At an application rate ofNordic Pure Custom MERV 12 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