This soft rubber scupper plug is designed to fit circular scuppers in your sit-on-top kayak. Small- med: The conical shape and hollow design allow for the rubber construction to accommodate scupper holes ranging from 1.13” to 1.40” in diameter. The rigid center core gives you a nice place to push the plug in place and the pull tab makes for easy removal.
Medium-Large: The conical shape and hollow design allow for the rubber construction to accommodate scupper holes ranging from 1.35" diameter to 1.70" diameter.