15x23x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes WHY INOCULATE WITH A SINGLE

WHY INOCULATE WITH A SINGLE SPECIES

- Blink in 3 Seconds: High-Temperature Safety Protection

Mounting bracket

5" Overall length

Two rubber molded inserts to pop in Short/Long Plunge Drippers

15x23x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes WHY INOCULATE WITH A SINGLENordic 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