Molded white polymer adjustable thru-hull scupper with recessed soft black flapper
Designed for surface thickness from 2" to 4-3/4"
Female portion of the scupper can be cut down by one ribe for each 1/4" difference between hull thickness and 4-3/4"
Built with quality materials
Description
Perko's thru-hull scupper is designed for surface thickness from 2" to 4-3/4". The female portion of the scupper can be cut down by one rib for each 1/4" difference between hull thickness and 4-3/4". Note recommended for use below the waterline. ID: 1-11/32". Mounting Hole Diameter: 1-13/16". Maximum Hull Thickness: 4-3/4". Flange OD: 2-15/16".
