23_3/4x23_3/4x1Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Water Treatment scoop your product to the

scoop your product to the pre-measured fill line

Temperature / Humidity / CO2 (PPM) 3-in-1 sensor

with a balanced calcium and nitrogen ratio

Light Distribution - 120°

The Powerhouse is packed with features which make it the most advanced electromagnetic HID ballast on the market

23_3/4x23_3/4x1Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Water Treatment scoop your product to theNordic Pure Custom MERV 14 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