Extend your bottom time using a SI TECH Urine dump valve.  No use having loads of breathing gas when nature prevents you from concentrating. Long working hours and deco times are no longer a problem. Relieve yourself in a donned drysuit!
 
 Features:
Pressure Compensated
Twin Checkvalves for safe evacuation and no outer leakage
ON/OFF valve for easy manouever
Easy to clean - disassembly tool included
Valveport for fitting to suit included
  
Brochure Urine Dump Valve - A4 pdf
 
Manual Urine Dump Valve - pdf