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 440200 Nylon Rope, 5mm dia., with shackle on winder Price on request 5079A-2500 Deep Water Sampler Price on request 436380 Centered Mounting Rack for use of the PWS and Free Price on request