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. Large Hood contains two additional 22mm ports, measures 12 3/8” (314mm) x 11½” (291mm) and is multi-patient use.