15x23x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Tents & Tarps ONA Gel is saturated with

ONA Gel is saturated with ONA liquid concentrate

Tested twice to ensure accuracy and viability

BioRighteous™ "Microbes For Plants"- Blend No

15" wide x 18" high

15x23x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Tents & Tarps ONA Gel is saturated withNordic Pure Custom MERV 10 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