1. Tap can rotate360;
2. Extension tube with male luer connector/rotating security lock ;
3. Two female fully threaded luer lock ports ;
4. Transparent base and legs ;
5. Flow indicator on tap positon of handle indicating open ports ;
6. Colour coding for arterialand venous indentification ;
7. No deadspace in base of stopcock ;
8. Minimal deadspace in ports ;
9. Leakproof at 500kPa for 30 seconds ;
10. Flow rate in excess of 250ml/min.