Plastic Covered Messenger, 500g, up to 6mm rope Back Catalog number: 440002 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 436136 set of 3 Spare Thermometers for Standard Water Sam Price on request 436317 Plastic Water Sampler PWS, capacity 10litres, for Price on request 436300-SBE Plastic Water Sampler PWS, capacity 1.7litres for Price on request