Centered Mounting Rack for use of the PWS and Free Back Catalog number: 436380 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 436606 Integrating Water Sampler IWS III, capacity 5litr Price on request 436346 Freeflow Water Sampler with 10l capacity Price on request 436303 Plastic Water Sampler PWS, capacity 3.5litres, Price on request