This bailer sampler consists of a stainless steel tube and is available in a design with a 33 mm or 45 mm diameter and a content of resp. 250 ml and 1000 ml. The stainless steel tube is open at the top-end and fitted with an unscrewable cap at the bottom. A ball check is fitted in the bottom. As soon as the water sampler is lowered it can be lifted again. To assure a proper replacement of the contents during the lowering, the sampler is lifted half a meter several times.

The stainless steel bailer samplers are supplied in complete sets with bailer sampler, emptying device, protective cover and measuring tape. Sampling depth is 20 m.