10x33x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Master Controller Programming includes an easy-to-use thermostat

Programming includes an easy-to-use thermostat and a SMART mode that automatically adjusts the fan’s speed to react to varying temperatures

Fortified with Norwegian kelp extract

this long-lasting tacky mat protects flooring for lengthy or multiple projects

Do not use oil

Trim Bin Bottom Only

10x33x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Master Controller Programming includes an easy-to-use thermostatNordic 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