16x24x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack Hydro Systems * Double cinching ducting ports

* Double cinching ducting ports

The generous 18" length helps cover more of your arms to decrease the risk of exposing skin or underlying clothing to workplace contaminants

and SPYDR 1 - 3

Temperature chart of the actual pH value at various temperatures printed on each bottle

16x24x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack Hydro Systems * Double cinching ducting portsNordic 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