21_1/4x21_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack lamps matching the color of sunlight

matching the color of sunlight in spring time

600W Interlux Super HPS Bulb- high pressure sodium Super HPS-bulbs are designed specifically for indoor enhanced plant growth and flowering

Powered by 10 ft cord

4 x Flora Clip 2

21_1/4x21_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack lamps matching the color of sunlightNordic 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