The Valterra coupler bayonet fitting is self threading and does not require hose clamps. Designed to suit 3" hoses.
Specification
Attachment Instructions Lubricate hose with furniture spray wax. Stretch hose end to expand coils and then twist on in a clockwise direction. Tightly press four to six collapsed wire coils against centre rib section to ensure leak-proof seal. Works with right or left handed coil hose.
