14_1/2x27_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Gardening Accessories seamless shoulder area resists tears

seamless shoulder area resists tears and provides more protection in key exposure area

it will help correct mineral problems such as scaling

- Output 2 (top) for temperature or humidity control

T Commercial Coco is lab tested lab tested for heavy metals

Recommended for both large and small-scale gardens

14_1/2x27_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Gardening Accessories seamless shoulder area resists tearsNordic Pure Custom MERV 12 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