Sloan naval 111 xyv exposed,battery powered,side mount sensor operated water closet flushometer for floor mounted or wall hung top spud bowls. Especially suited for harsh water conditions. Factory set at 1.6 gpf and less vacuum breaker valve less vacuum breaker stamped wall flange vandal resistant stop cap extended bumper on angle stop for seat with cover adjustable tailpiece ada compliant metal oscillating non-hold-open handle 1″ i.p.s. Screwdriver bak-chek angle stop spud coupling and flange for 1″ top spud handle packing,stop seat and vacuum breaker molded from permex rubber compound for chloramine resistance ultra high copper,low zinc brass castings for dezincification and salt water resistance self-cleaning xpelor bypass less vacuum breaker