Feature●Fits in standard 4 inch trailer hose bumper for convenient storage while attached to 3 inch sewer hose●Package Dimension : 21.336 cms L x 14.986 cms W x 5.08 cms H●Item Package Weight: 0.3 pounds●Country of Origin: UNITED STATESDescription Thetford Bumper Hose Adapter. Fits in standard 4 inch trailer hose bumper for convenient storage while attached to 3 inch sewer hose.