Centered Mounting Rack for use of the PWS and Free Back Catalog number: 436385 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 436344 Freeflow Water Sampler with 5l capacity Price on request 5079A-2500 Deep Water Sampler Price on request 436601 Integrating Water Sampler IWS III, capacity 2.5li Price on request