17x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack house and garden soil following rain or as needed

following rain or as needed

Rubber Feet for noise dampening

Citrus (all)

• Fish-Mix 250 ml

17x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack house and garden soil following rain or as neededNordic 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