These unique threaded tank connectors are manufactured by Yamitsu for Kockney Koi.
Unlike any other fitting on the market, they will accept the same size solvent weld pipe inside both sides of the fitting.
Available in the following size;
1.5" (known as 158)
2" (known as a 258)
3" (known as a 358)
Tags: Pond Accessories, Tank Connector