Not only a great aid for the searcher, but aids the person overboard to find a life ring or horseshoe buoy. Features the most solid state circuitry available today to provide years of reliable service. RING LIFE BUOY (SOLAS) APPROVAL CATEGORY: 160.150 APPROVAL GUIDANCE & INFORMATION: See the links provided below. The Coast Guard does not test materials or systems for approval but rather specifies the required test methods and minimum performance criteria for approval. MUCH ADO ABOUT RING LIFE BOUYS Written by CDR E. Hudspeth The Coast Guard Commandant’s approval and associated number, the amount, size, length of attached line, color, markings, availability, and condition are all requirements for ring life buoys on board commercial fishing industry vessels. This article will briefly top seated EPDM O-ring located in the housing’s sump. Thick wall and added ribs make the housings ideal for a wide range of applications. Polypropylene construction provides excel-lent chemical resistance in most installations environments. Housings supplied with and without pressure relief valves. See Shop, read reviews, or ask questions about Ring Buoys at the official West Marine online store. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist.