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• Multifaceted computer-designed aluminum interior for maximum efficiency
Protection: UL Listed for Wet Locations
The silver "plus" coating attenuates the effects of large scale grows above 10
Package Dimensions: 156mm(L) x 83mm(W) x 30mm(H)
Total length of sheath is 13-Inches
16_1/4x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Grow Light Reflectors • Multifaceted computer-designed aluminum interiorNordic Pure Custom MERV 13 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
