20_1/2x25_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Nutriants 500K Lamps 240V 5

500K Lamps 240V 5

Highly reflective hammertone aluminum interior

The multimedia Leap pH probe can be used to measure nutrient solution and directly in the rootzone in a range of growing substrates including soil

5 ML per gallon will treat 1

Voltage Range 120-277 VAC 50-60Hz LED Full Spectrum White & Deep Red Flowering Footprint 4' x 4' at 20"-24"" Veg Footprint 6' x 6' at 30" System PPF Efficacy 2

20_1/2x25_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Nutriants 500K Lamps 240V 5Nordic Pure Custom MERV 7 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