26x30x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs PRODUCT Cubic Inch Liters Gallons

PRODUCT Cubic Inch Liters Gallons

Case of 300

B-lite Premium 1940e new led light comes to bring more usable energy to your plants and with less power usage

The entire line of GROW

It will remain effective for approximately 10-12 weeks and can be re-applied at half the initial rate to extend root protection in the field or when transplanting to a larger container

26x30x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs PRODUCT Cubic Inch Liters GallonsNordic Pure Custom MERV 14 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