20_1/2x25_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack cococube 610 Watt Full Spectrum LED

610 Watt Full Spectrum LED Grow Light made in the USA

Designed to work with any controllable Phantom or Core HID fixtures

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20_1/2x25_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack cococube 610 Watt Full Spectrum LEDNordic Pure Custom MERV 12 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