23_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack additives The reservoir has an increased

The reservoir has an increased lip height

Includes 3' remote sensor with a control range of 50°F–115°F

A built-in photocell located on the controller automatically detects the day and night status

Green Gro Flower Finisher 1-5-7 is intended for use in the final stage of bloom

23_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack additives The reservoir has an increasedNordic 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