17_3/8x35x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Sungrower Trellis Netting 1000’ and Shorter Potassium Oleate

Potassium Oleate

Overall Length: 56-1/2"

Revolutionary odor control

• Improves root development

17_3/8x35x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Sungrower Trellis Netting 1000’ and Shorter Potassium OleateNordic Pure Custom MERV 14 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