A VALVE. 15660, with 1/2" Tube, for Meyer E47, E57, or E60 Pumps. It is commonly know as the New A-Valve. (The New and Old Valve both fit into the Valve Cavity. However, each requires a different Coil) This is a Brand New Valve. It is the same as those now sold in Blister Packs. They are made by the same manufacturer. The Valve is in the Original Plastic Bag as it comes off the Manufacturing Test Stand. No Additional Handling. Direct to you. Optional 18-8 Stainless Steel Nut Included.