17_1/4x17_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack water-filtration This item is not needed

This item is not needed when hanging a horizontal reflector parallel to the direction of travel

Use 2-3 tsp

These ingredients work by adhering to the weed and breaking down the cell structure through a burn down process

This carbon replacement filter is intended for use with the Merlin (Garden Pro) RO filtration system

allowing your crop to reach its full genetic potential

17_1/4x17_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack water-filtration This item is not neededNordic 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