Seachoice Drain Tube 1"x3" Brass 50-19071 by Seachoice $7.33 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Seachoice Drain Tube #50-19071 Pipe Size: 1" x 3" Length. Brass Drain tube with .035 Wall. For use in transom, motorwell, livewell or baitwell.