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 436302 Plastic Water Sampler PWS, capacity 2.5litres, Price on request 436346 Freeflow Water Sampler with 10l capacity Price on request 436140 Limnos Water Sampler for use up to 30m water dept Price on request