PPM Series Couplings are general purpose, 1/8" body size, thermoplastic quick couplings. The push-to-connect feature and push-button release provides quick and easy operation. An audible "click" confirms the connection has been made. The couplers and nipples are available with or without valves. Standard seal material is Nitrile and bodies are acetal copolymer with stainless steel springs and latch.