This is what we call foam generators , very high output units , perfect for nightclubs , large crowds, works extremely well suspended.
This unit does not need a tank and pump but may be purchased separately as back up in case there is low water pressure
Click on the link below to view this unit in action:
http://www.youtube.com/watch?v=vyFDh5J8EOE
Included:
1 x Foam Generator
1 x Tripod Stand
10 x 5 litre foam fluid