
The United Scientific® Water Sampler by United Scientific collects up to 1.5 liters of water from a chosen depth. Its impact-resistant PVC tube, 30 cm long and 10 cm wide, has rubber seals and a quick-release pin that closes when the user jerks the 20 m line. A Styrofoam winding float and activity guide are included. It is designed for environmental and earth science fieldwork in schools and colleges.