Snug-fitting design perfectly accommodates Rubbermaid? Water Coolers. Convenient push-button diaphragm-valve release enables one-handed operation. Fully sealed valve seat ensures drip-free usage. Sprayer/Hose/Nozzle Type: Spigot; Sprayer/Nozzle Type: Push-Button; Nozzle/Sprayer Settings: On/Off; For Use With: Rubbermaid? Water Coolers.