Rigid Pipe Adapter (3"Hub x 3"Bayonet) by Valterra®. Allows for conversion of standard sewer hose to rigid pipe. 3" Hub x Bayonet Hooks. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.