Petmate Replendish Replacement Filter Cap X-Small & Small

To maintain a pet's health and well-being, regularly check a dog or cat's feeding and watering systems' parts and accessories for replacement. This black replacement cap is designed specifically for use with the Replendish® Waterer system, in sizes x-small (1/2 gal.) and small (1 gal.). Cap size measures 3 1/4" x 3 1/4" x 2.