Ketchum Individual Digit Number or Letter 201 Please Specify Group_Express 5 HS Nutri Vet Grass Guard Max liver flavored Nutri Vet Grass Guard Max liver flavored chewables are a great way to reward your dog while treating yourself to a spotless lawn floater or drain plug de icer Can be converted from a floating to a sinking de icer by simply removing the cover and the float and turning the de icer upside down to rest on the bottom of the tank Sturdy feet support the unit off the tank bottom when operating as a sinking de icer Durable aluminum base Keeps entire tank ice free without overheating the water Multiple thermostat control Large Please email sales@heritageanimalhealth 201B and 201A Ear Tattooers