The Van Walt Dredge gives you a disturbed sample of river and lake beds and large sumps. The Van Walt Dredge take a surface sample only, they are suspended by wire so can easily be deployed. Sizes range from 1 to 2.7 litres capacity, they are easy to clean and decontaminate as they are made from stainless steel.

• Ideal for sampling sand, silt and non-cohesive material
• Easy to use and clean
• Quick identification of sample type
• Made from strong, stainless steel
• Easily deployed as suspended by wire
• Can be operated from a bridge, raft or boat
• Surface sample only
• Hinged scissor jaws that close when the sampler is lifted
• Designed for fast deployment & reduced sample loss