12_1/2x23_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack BVV Rely on Active Air non-insulated

Rely on Active Air non-insulated air ducting with your reflectors

the pH controller measures the pH value of the solution and automatically adds pH adjustment (either acid or alkaline) to change the liquid's pH to the selected level

5” x 6”

Assembled Dimensions - 18" x 14" x 17"

12_1/2x23_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack BVV Rely on Active Air non-insulatedNordic 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