14_1/2x19x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Reflective & Greenhouse Films running off 18 watts

running off 18 watts

Simply place the stem of a new cutting into the slit in the insert and watch as it provides support to your plants while still protecting their delicate tissues

providing growers the option of safely running a high wattage metal halide lamp without a protective lens

Potassium Sulfate

3000K Spectrum recommended for flowering and 4000K recommended for Veg

14_1/2x19x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Reflective & Greenhouse Films running off 18 wattsNordic 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