Petmate 0.5-Gallon Replendish Automatic Gravity Waterer for Pets (Grey) $4.40

Petmate 0.5-Gallon Replendish Automatic Gravity Waterer for Pets (Grey) $4.40. Amazon has 0.5-Gal Petmate Replendish Automatic Gravity Waterer for Cats and Dogs (Silver) on sale for $4.38. Shipping is free w/ Prime or on orders $35+.