Phillips Anhydrator Moisture Sampling Stand Kit, Purity Test Kit.The Phillips ANH-AS sampling stand kit provides a means to safely sample the water contamination level in ammonia refrigeration systems. The kit comes standard in a hard plastic case and includes a robust and stable stand, to secure the sampling container in place, and the sampling container ANH-MS. A stainless steel weldment including a needle valve for precise control of liquid flow, a liquid vapor separation chamber, and a connection for a vapor hose to safely remove ammonia vapor is also included. The ANHAS kit meets IIAR Bulletin No. 108 standards.