Photo 1 of Large Extreme Weather Outdoor Dog Heating Pad with Timer,Safety Pet Heating Pad for Dog Kennel,Waterproof Heated Bed Mat,Adjustable Warming Mat with 6 Levels Temp& 4 Timers for Whelping Box Deck 30'' x 22'' Controller

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Photo 1 of Large Extreme Weather Outdoor Dog Heating Pad with Timer,Safety Pet Heating Pad for Dog Kennel,Waterproof Heated Bed Mat,Adjustable Warming Mat with 6 Levels Temp& 4 Timers for Whelping Box Deck 30'' x 22'' ControllerPhoto 2 of Large Extreme Weather Outdoor Dog Heating Pad with Timer,Safety Pet Heating Pad for Dog Kennel,Waterproof Heated Bed Mat,Adjustable Warming Mat with 6 Levels Temp& 4 Timers for Whelping Box Deck 30'' x 22'' ControllerPhoto 3 of Large Extreme Weather Outdoor Dog Heating Pad with Timer,Safety Pet Heating Pad for Dog Kennel,Waterproof Heated Bed Mat,Adjustable Warming Mat with 6 Levels Temp& 4 Timers for Whelping Box Deck 30'' x 22'' ControllerPhoto 4 of Large Extreme Weather Outdoor Dog Heating Pad with Timer,Safety Pet Heating Pad for Dog Kennel,Waterproof Heated Bed Mat,Adjustable Warming Mat with 6 Levels Temp& 4 Timers for Whelping Box Deck 30'' x 22'' Controller