12x26_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Growing Media Hold reading function and low

Hold reading function and low battery warning

the Blower uses 15 amp at start up at 220v with 3 hp

Quick Calibration Mode using Hanna pH/EC Quick Cal Solution

replacement lamp part number - OEUVA123HO

12x26_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Growing Media Hold reading function and lowNordic Pure Custom MERV 8 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