17_1/4x23_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Synthetic Pro Edition 5 inch holes

5 inch holes

2-Channel Low Drift NDIR (non-dispersive infrared) Gas Sensor

Potato Leafhopper (Empoasca fabae)

The bin is made of clear plastic so you can easily see when it’s full

Contains natural pyrethrins widely used in organic growing because of its rapid breakdown

17_1/4x23_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Synthetic Pro Edition 5 inch holesNordic 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