17_1/4x29_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack trays the unique molecular structure of

the unique molecular structure of phosphite is readily and easily absorbed by the roots and leaves of the plant

• Helps soils dry evenly

Available Phosphate (P2O5)………

With a compact size

Dimension (cm) 24 x 13 x 31

17_1/4x29_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack trays the unique molecular structure ofNordic Pure Custom MERV 7 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