Seadog Drain Tube 1"x1-7/8" Brass 520210-1 by Seadog $4.62 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Seadog Drain Tube #354-5202101 Pipe Size: 1" inside diameter x 1-7/8" Length. Formed Brass With Flanged End.