8_7/8x33_5/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions · Quick Refill

· Quick Refill

That minimizes high start-up (inrush current) and allows up to 4 devices to be safely controlled

The HI1285-5 is designed for use with Hanna's HI9813-5

Be sure to lower your nutrient levels to compensate and avoid overfeeding

ensuring cleanliness compliance

8_7/8x33_5/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions · Quick RefillNordic 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