Scupper -Â Cast Alloy - Small
 One way water exit for boats with self draining cockpits. Scupper mounts over flush drains above the waterline. The rubber flapper opens to dump water out and closes with water pressure to prevent backwash. Durable acetal mount flange.
N.B. Not intended for permanent immersion
Overall Size: 170mm x 115mm
Inside Diameter: 110mm x 60mm
