17x25x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack plant-care/pest-&-disease-control 5 lbs 46⅝” x 3¼”

5 lbs 46⅝” x 3¼” x 2” 2 lbs 12

Aeration promotes air pruning for better fruit and higher yields

• 12” x 48” Collection Base

Use the Oakton pH tester with accurate ATC to get instant at-a-glance readings

• ETL Certified in the USA & Canada for fire and electrical safety

17x25x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack plant-care/pest-&-disease-control 5 lbs 46⅝” x 3¼”Nordic 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