The Patented Replaceable Neck Seal Series is designed for quick and simple neck seal replacement between patients; easier neck seal trimming and one-person assembly. The non-latex compound will stretch and return to shape even after multiple uses. The two piece neck ring has larger opening for patient comfort; raised ports to stop drainage into tubing; (2) port caps, inner and outer o-rings and an accessory port. Neck ring is multi patient use and autoclaveable. Replaceable Non-Latex Neck seal is single-patient, multi use. Small Hood contains two additional 22mm ports, measures 10 7/8” (276mm) x 10 ½” (266mm) and is multi-patient use.