15x23x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Reflectors & Grow Lights Parts come with pre-punched holes

Parts come with pre-punched holes and instructions

The fan uses a PWM-controlled EC motor that allows it to run efficiently and quietly at a maximum of 62 dBA

- Vegan Compliant

• Multi-level drill access points for automated drainage

15x23x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Reflectors & Grow Lights Parts come with pre-punched holesNordic Pure Custom MERV 7 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