8_1/2x30x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Lighting & Electrical Components True IP65 protection: Defends against

True IP65 protection: Defends against water and dust

Please see Product Label under the "MSDS" tab for complete use instructions and application rates

20% more light intensity than comparable fluorescent grow lights

To ensure best results

This CO2 controller can accurately monitor room CO2 levels and turn CO2 regulators or generators on and off

8_1/2x30x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Lighting & Electrical Components True IP65 protection: Defends againstNordic 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