9x13x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack hydro-x you simply screw it into

you simply screw it into your CFL reflector

Sprays can damage the natural flavors and aromas of the strain

Input Power: 680 Watts

reflective area

Works with Foliage-Pro® or GROW™ to regulate nitrogen levels for optimal quality and yield

9x13x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack hydro-x you simply screw it intoNordic Pure Custom MERV 8 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