16x20x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 6 Pack PH/EC/TDS Meters and Solutions Suitable as part of an

Suitable as part of an IPM program in organic production

They measure a quarter of an inch in length and are just wicked sharp

Great to have on hand for field crews or for use where ear plugs need to be replaced often

This personal X-Small CVault is constructed of 18/10 food grade stainless steel

Borosilicate glass

16x20x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 6 Pack PH/EC/TDS Meters and Solutions Suitable as part of anNordic 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