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Molded white polymer adjustable thru-hull scupper with recessed soft black flapper. Designed for surface thickness from 2" - 4-3/4". Female portion of the scupper can be cut down by one rib for eaChannel 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"/Max. Hull Thickness: 4-3/4" Flange OD: 2-15/16".
From the Manufacturer
Molded white polymer adjustable thru-hull scupper with recessed soft black flapper. Designed for surface thickness from 2-Inch , 4-3/ 4-Inch. Female portion of the scupper can be cut down by one rib for each Channel 1/ 4-Inch difference between hull thickness and 4-3/ 4-Inch. Note recommended for use below the waterline. ID: 1-11/ 32-Inch / Mounting Hole Diameter: 1-13/ 16-Inch / Max. Hull Thickness: 4-3/ 4-Inch Flange OD: 2-15/ 16-Inch.
Raymond Dionne
November 4, 2024
too bad Perko won't sell rubber flapper valve only. plastic parts not needed.
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