15_1/2x29x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Grow1 5' Steel Stake Outside in the summer and

Outside in the summer and fall when the heat is on

Roots Organics Trinity is a blend of select organic compounds designed for maximum effect as a supplement for plant and rhizosphere nutrient uptake and growth

• Full daylight spectrum 32 watt fluorescent grow bulb (150 watt equivalent)

Insulation class F

Hortilux Super HPS Enhanced Spectrum grow lamps fine-tune your lighting system to provide optimum spectral energy levels that promote vigorous plant growth

15_1/2x29x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Grow1 5' Steel Stake Outside in the summer andNordic 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