13x23x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack veg-and-bloom controlled growth of foliage plants

controlled growth of foliage plants and trees

the bacterium continues to propagate in the soil while grubs remain active

even at 65 lbs

Save money on your garden with the SE 315W by not only using less power but also running cooler than the HPS and MH alternatives

Kelvin Temp: 5400K

13x23x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack veg-and-bloom controlled growth of foliage plantsNordic 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