Description The OPW 61VSA-1020-EVR Vapor Swivel Adaptor is a poppeted adaptor, designed to mate with a vapor recovery elbow, featuring a top section that rotates with hose movement while the bottom section remains securely sealed to the 4-inch tank riser. Key Features Dual Seals – ensure a vapor and liquid-tight seal. Conductive, Self-Lubricating Retaining Rod – ensures maintenance-free, reliable service life. Same Internal Dimension as Standard 633T Adaptors – to minimize pressure drop and maximize flow rates for quick product delivery. Self Guiding Poppet – for consistent tight seal.