16_1/4x21_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack water-pumps-&-irrigation-supplies Cut Resistant Level 5

Cut Resistant Level 5

No more run-off

Only a few organic oils are effective for spider mite control and most spider mite sprays try to employ these natural oils to no meaningful effect

Features 7-inch overall length

Free Smartphone App

16_1/4x21_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack water-pumps-&-irrigation-supplies Cut Resistant Level 5Nordic 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