meicent MP-220 No Drip Pet Water Bottle - 400ml(13.5 oz), Automatic Feeding Water Dispenser for Dogs Cats & Small Animals (Blue) 400ml(13.5 fl oz) No Drip Pet Auto Feeding Waterer / BPA Free / Leak-proof Nozzle Mini-sized Nozzle: 15 mm is recommended for 8-30 lb Dogs, Cats, Rabbits, Medium size Pets etc Simple and Easy Installation. You can easily snap the water Bottle on or off for cleaning & refilling water Four class adjustable fixed position,You can adjust height of the bottle in the cage Top-fill design: Very easy separation bottle with fixed components