The RIDGID 54188 15 ft. x 1 7/8 in. Locking Pro Hose for Wet/Dry Vacuums (Fits 2 1/2 in. Accessories) does not crimp or collapse and offers 180° flexibility. The Pro Hose is equipped with a large 1 7/8 in. opening with a 2 1/2 in. adaptor cuff and a smooth interior surface that prevents debris from clogging. The hose securely locks onto the vacuum for uninterrupted cleaning.