10x33x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Master Controller These sensors provide real-time data

These sensors provide real-time data for automated temperature-based dimming

Do not use oil

This results in an approximate doubling of the sensor’s lifespan

Trim Bin Bottom Only

workplaces anywhere that can benefit from purer

10x33x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Master Controller These sensors provide real-time dataNordic 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