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Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
For older model PowerHouse Ballasts
C Bloom contain a full complement of micronutrients
resistant to wear-and-tear
The choice of professional growers
” and trust that your machine will run the way you want it to
21_1/2x23_5/16x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack led For older model PowerHouse BallastsNordic 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
