16x30x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 6 Pack Grow Strong Apply weekly and on the

Apply weekly and on the same day and time each week

NOTE: Remove filters and use nozzles with a minimum of 18 mesh (1 mm) openings to avoid clogging

Rockwool's high water holding capacity will enable you to go on vacation without worrying about your plants drying out

Permanently lubricated sealed bearings

Forget to water

16x30x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 6 Pack Grow Strong Apply weekly and on theNordic Pure Half Inch Ring Panel AC Furnace Air Filters consist of an internal frame bonded between flat layers of two different types of electrostatically charged HVAC furnace filter media. The first layer is a high capacity, polyester filter material which acts as a pre filter, capturing large airborne particles. The second, more efficient, layer is a MERV rated smooth poly blend filter material. The electrostatic charge works as a magnet to draw in