Inkbird
Inkbird Wireless Pool Thermometer and Receiver Set, Updated Version Floating Thermometer with Easy Read Display, Thermometer for Swimming Pool, Hot Tub, Hot Spring(Battery not Included)
eLander
[Large Floating Pool Thermometer] eLander Pro Water Thermometers, for Outdoor & Indoor Swimming Pools, Spas, Hot Tubs, Fish Ponds
Ambient Weather
Ambient Weather WS-14 Wireless 8-Channel Floating Pool and Spa Thermometer
Kingsource
10% off
Kingsource Large Floating Pool Thermometer, Water Temperature Thermometers with String for Outdoor & Indoor Swimming Pools, Spas, Hot Tubs,Fish Ponds Thermometer Floating Easy Read