WATER SAMPLER used in used in lab and natatorium ,just use a bottle in the top part and frap it,it will collect the water sam

 WATER SAMPLER  used in  used in lab and natatorium ,just use a bottle in the top part and  frap it,it will collect the water sample,then take to lab andanalyse it,  the canal's material is aluminium alloy,the top of part is stainless steel.Total it about 1.5kg.

It normal used in the European countries,like France,Spain ,USA etc

WATER SAMPLER