20_1/2x25_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Flushing Solution per your size settings

per your size settings

Metal Halide and High Pressure Sodium bulbs are favored by growers because of the wide color spectrum and efficiency

Orange Tortrix (Argyrotaenia (=citrana) franciscana)

Contains: 100% Organic Non-GMO Canola Oil and Organic Surfactants

Output Power: 1200W

20_1/2x25_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Flushing Solution per your size settingsNordic 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