Seachoice Garboard Drain & Plug 1/2" Chrome 50-18731 by Seachoice $11.63 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Seachoice Garboard Drain & Plug #50-18731 Pipe Size: 1/2" NPT. Chrome Plated Brass Flange Diameter of 2". Fastener: #8