20x28x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack pest control This blend provides essential nutrients

This blend provides essential nutrients to all plants

With PhytoMAX-2 we have delivered the most powerful and reliable

5% Water Insoluble Nitrogen Available

LED status indicator

Release your harvest quickly through the bottom of the fruit picking bag sling by unbuckling the fold-over compartment

20x28x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack pest control This blend provides essential nutrientsNordic 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