Trudesigns Polymer Plumbing Fittings - Y Joiner 2 x 1in (25mm) 1 x 1 1/2in (38mm) Barb

Suitable for drawing water into, or subject to regulations, discharging out, of a boat. The smaller ones are commonly used for bilge pump discharges, etc. To connect to the threaded part, simply cut off the barbed connectors.