Economy Extended HVE Three-Valve Kit. Ensure quality and save money with autoclavable economy vacuum valves. Keeping a ready supply of sterilized suction valves is easy and economical with our Economy Vacuum Valve Kits. Made in the USA with flawless matte anodized aluminum finish. Steam and chemical autoclavable. All kits include three valve assemblies, a 360 degree swivel disconnect, cleaning brush, and replacement O-rings.