18x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack nutrients-and-supplements Loop along the perimeter of

Loop along the perimeter of fields or gardens and inside greenhouses

It is compatible with HIDs like Gavita/Nanolux/Luxx/Growers Choice/Illuminar/PL and LEDs like Fluence/Next light/Spectrum King

Pyur Scientific Acetone Pro 5 Gallon 99%

Xtrasun II Wing Reflector features:

18x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack nutrients-and-supplements Loop along the perimeter ofNordic Pure Custom MERV 13 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