17_1/8x26_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack coco Zenport QZ413 is a multi-use

Zenport QZ413 is a multi-use tool that is great for the professional & hobby gardener alike

facilitating the measuring of your nutrients

Weight: 16

and control health of biologicals

burn-free application

17_1/8x26_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack coco Zenport QZ413 is a multi-useNordic 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