mb 250W / 120V Donut Immersion Heater - coated16311-C
This Heater is Covered With a Protective Teflon Coating - But it's still best to remove it from the fountain when chance of freezing weather is over.
rb Ritchie Mini Water Meter18218
Know how much water your animal is consuming. The economical Mini Water Meter installs in the 3/8" rubber hose line of smaller fountains between the water source and the float valve.