Water Ring / Wet Ring Male * Female water ring. Adds water 360° to reduce dust or heat in vacuum line. NPT connection, includes valve. SELECT QUANTITY Stock # Description Price Qty RL-WR6 6" water ring 159.00 RL-WR8 8" water ring 169.00 Related Products Porthole Elbow, ANSI Flange Vacuum Truck Ringlock Reducer Male to Female (RLR)Vacuum Truck Ringlock Clamps (CRL)