General Oceanics Go-Flo - Model 1080 Series -Water Sampler, 20L

The GO-FLO sampling bottle feature a close-open-close operation. Opens automatically (hydrostatic pressure activated) at approximately 10 meters (33 feet), then flushes until closed by standard GO Devil messenger (model 1000-MG) individually, serially, or sequentially by remote command with a model 1015 Rosette.