Climate Right
Climate Right 300W Electric Dog House Heater with an Abrasion-Resistant Cord & 3 Fan Settings for Dog Houses and Pet Enclosures
Toozey
Toozey Dog Heat Pad Electric 70 * 40 cm, 4 Adjustable Timer & 6 Adjustable Temperature, Safe Pet Heating Pad Mat with Crystal Velvet Cover, Waterproof, Ideal for Whelping/Puppy/Dogs and Cats, L
Wren
Wren 150W Standard Kennel and Cattery Heater