16x26x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack grow-light-bulbs The generous 18" length helps

The generous 18" length helps cover more of your arms to decrease the risk of exposing skin or underlying clothing to workplace contaminants

simply poke holes in the bottom

Ensures that the Evolution Reverse Osmosis system runs more efficiently

Spider mite destroyers (Stethorus punctillum) are efficient locators of spider mite colonies in greenhouse

in turn chlorophyll is the component in photosynthesis

16x26x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack grow-light-bulbs The generous 18" length helpsNordic 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