Using a hose tail is an effective way of connecting a flexible pipe to a piece of equipment. These are suitable for use on pumps ultra-violet clarifiers pond filters water features and watercourses. Can be used with our Betta Using a hose tail is an effective way of connecting a flexible pipe to a piece of equipment. These are suitable for use on pumps ultra-violet clarifiers pond filters water features and watercourses. Can be used with our Betta PVC Betta Corrugated and Betta Deluxe Corrugated Flexible pipes.