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 440003 Messenger, 800g, stainless steel up to 10mm rope Price on request 440002 Plastic Covered Messenger, 500g, up to 6mm rope Price on request 436315 Plastic Water Sampler PWS, capacity 10litres, Price on request