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 437200 Bottom Sampler acc. to Ekman-Birge Price on request 5073A-1000 Sub Sampler Price on request 5075A-1050 Re-Usable Bailers Price on request