- Molded White Polymer
- Recessed Soft Black Flapper
- Designed for Surface Thickness from 2 inches to 4-3/4 inches
- Female portion of scupper can be cut down by one rib for each 1/4 inch difference between hull thickness and 4-3/4 inches
Illustration of cut down scupper
Illustration shows sections of nibs cut out to adjust for various surface thickness.