26x30x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hydro Systems FMWH7230L is used for (4)

FMWH7230L is used for (4) 4' bulbs (one on the FLT44240

Use it alone in hydroponics or try blending it with coir or your favorite planting mix for superior aeration

meaning 14% more nodes

and flowers sticky like oil pesticides can

Power : 1200W

26x30x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hydro Systems FMWH7230L is used for (4)Nordic 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