23_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack additives Set Output level: 50-115%

Set Output level: 50-115%

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

Cool Tube reflectors stay extremely cool and allow for uniform light distribution

Required Electricity - 120V

The Element Green and Grow hose is truly a game changer with all of the features that today's organic gardener is looking for

23_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack additives Set Output level: 50-115%Nordic 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