12x30x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 6 Pack HVAC & HOME VENTILATION The carbon steel blade and

The carbon steel blade and sharp-tip design allows for quick and precise trimming especially in tough to reach areas

and very low levels of sodium and chloride

Primo testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples

The Hanna Lab App can be downloaded for free by visiting the Apple App Store or Google Play stores

This system is entirely rack mounted

12x30x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 6 Pack HVAC & HOME VENTILATION The carbon steel blade andNordic 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