11_1/2x11_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack reflectors and grow lights · Bulb Material - Quartz

· Bulb Material - Quartz Glass

Twiter UltraClean is here to provide a better clean with less time and labor

as these can inhibit mycorrhizal establishment

our bags provide the best harvest solutions

Key Benefits:

11_1/2x11_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack reflectors and grow lights · Bulb Material - QuartzNordic Pure Custom MERV 10 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