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Metal Halide and High Pressure Sodium bulbs are favored by growers because of the wide color spectrum and efficiency
Trap Dimensions: 5" x 7"
Nordic Pure 12x20x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
Some cultivars and growing conditions may require higher doses of Calcium
Contains: 100% Organic Non-GMO Canola Oil and Organic Surfactants
20_1/2x25_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Flushing Solution Metal Halide and High PressureNordic 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
US$ 61.00
US$ 46.00
US$ 47.00
