28x32x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom and trace minerals from the

and trace minerals from the land and sea in a 100% soluble form

Lemongrass and Geranium

The roll also makes it easy to store

High phosphorus and potassium levels increase flower production and potency

28x32x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom and trace minerals from theNordic 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