16x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Sprayers and Wands This innovative powdered blend combines

This innovative powdered blend combines premium fertilizers with Biochar to create a simple to use formula that provides the soil nutrition necessary for strong

In the flowering stage of plant development there is an increased demand for nutrients and BULK provides that boost

This replacement probe supports the combination pH electrode for field applications

Nordic Pure 14x20x1 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

16x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Sprayers and Wands This innovative powdered blend combinesNordic 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