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Rounded corners for easy cleaning
producing optimal amounts of airflow
Mount the RAY44 at close proximity to the canopy using the included hardware
These bulbs have been tested and developed to work perfectly with electronic ballast
It achieves a 38mm charcoal bed thickness and wider mesh openings thanks to a higher microporosity and surface area rating
12_1/2x23_1/2x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Reflective & Greenhouse Films Rounded corners for easy cleaningNordic 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