DescriptionDouble Valve Clear PVC ecoBailers – 1.5 inch (38 mm) ODDouble Valve Clear PVC ecoBailers are used to sample a discrete groundwater interval in a well and then isolate the sample from the water column by means of an upper and lower valve system on the bailer. The sample can then be recovered to surface for evaluation.Double Valve ecoBailers are made from the same durable, rigid PVC as the regular Clear PVC ecoBailers and so have all the same great qualities. double valve: one at the top and one at the bottom traps the sampleavailable in 1.5 inch (38 mm) diameter X 1 (25 cm), 3 (76 cm) and 4 (102 cm) foot lengthsfaster sinking than polyethylene bailersclear tube allows sample inspection within the bailerPFAS, PFOS & PFOA free
