Viper LSU Wet & Dry VacViper LSU 155 Commercial Wet & Dry Vac is a robust professional 55 litre wet and dry vacuum cleaner with high suction power The professional vacuum cleaner is easy to use, robust and has optimal suction power. The LSU product family has a modular design with different tank capacities and motor quantities. Tank capacity for LSU 155 is 55 litres and it has one motor. It has a drain hose mounted and you can easily empty the tank without taking off the