26x30x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hydro Systems Also includes a bonus built-in

Also includes a bonus built-in all-purpose knife sharpener

You can choose to add a manual dimmer which enables turning the power down to as low as 10% power for more control when needed

Power : 1200W

Successful calibration indicator is displayed on screen

26x30x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hydro Systems Also includes a bonus built-inNordic Pure Custom MERV 13 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