Marketing InformationExcellent for quick connections, system modifications and repairs. Spears® redesigned compression coupling provides improved function, broader application and increased versatility. Standard PVC white units have been a long standing choice for irrigation and pool and spa applications. PVC gray industrial unit provides broader range of industrial and chemical processing applications. Compression nut features strong buttress threads engineered for easier tightening during installation. New body design has pipe-spigot dimensions allowing unit to be used to convert a socket fitting to a compression fitting.