30x30x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack environmental-controllers Aggressive Vegetative Rate: 7 ml/gallon

Aggressive Vegetative Rate: 7 ml/gallon

Pure contains a combination of highly active organic acids including humic acid

healthy and stable plants

This will restore reflector performance—and thus system performance—to like-new quality

Setting New Standards

30x30x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack environmental-controllers Aggressive Vegetative Rate: 7 ml/gallonNordic 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