set of 3 Spare Thermometers for Standard Water Sam Back Catalog number: 436136 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 436305 Plastic Water Sampler PWS, capacity 5litres Price on request 440061 Hand Winch, with 2nd handle, counting wheel and cl Price on request 436302 Plastic Water Sampler PWS, capacity 2.5litres, Price on request