Features: Ensures precise feeding and maintain water quality with the Automatic Shrimp Feeding Cups, designs to minimize food waste in your fishtank. Use selected PVC, these transparent feeders allow easy monitoring of food control, making it simple to refills or adjust as needs. Great for aquarium enthusiasts, home breeder, and small scale aquarium operators searching efficient feeding solution. Perfect for home aquarium, office fishtanks, and small commercial display fishtanks environment, providing a various feeding option. With its easy installation and cleaning process, this shrimp feeder set is great accessory for maintaining a health fishtank ecosystem. Specifications: Product Dimension: Approx. 4.2x1.1cm/1.65x0.43inch Component: PVC Package Includes: 1 Set Automatic Shrimp Feeders(6pieces) note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item.