17_1/8x26_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack extension 5"-12" Universal Round FloraCap® is

5"-12" Universal Round FloraCap® is a patent pending revolutionary tool for top feeding that also helps eliminate algae

No-Hassle Drainage – The positive pressure drain removes the need for a drain trap

you may notice insects with a whitish appearance

Length: 25'

healthy stems

17_1/8x26_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack extension 5"-12" Universal Round FloraCap® isNordic 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