16_1/4x21_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal Feeds up to 4 months

Feeds up to 4 months

The ROI-E200 is the newest member of the ROI-E series

FloraFlex® has engineered the highest quality

-30 year warranty

the patent-pending PhytoMAX-2 400 LED grow lights are compact and powerful

16_1/4x21_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal Feeds up to 4 monthsNordic Pure Custom MERV 10 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