COMPATIBLE: This replacement pump is compatible with 2.2L/74oz & 3.2L/108oz & 4L/135oz & 7L/236oz stainless steel cat water fountain etc. Please check the original water pump model before your purchase Ultra-quite and Low Consumption Water Pump: The water pump runs quietly with a noise level of less than 20dB. Even if it runs on a quiet night, it not disturb your sleep or your pet's sweet dream Safe and Stable: low voltage operation, relatively safe for both people and pets. USB interface is suitable for various charging methods, such as power bank, easy and flexible to use Easy Maintenance: Pet water dispenser pump with removable outer cover and interior, it is easy to disassemble and easy to clean Regular Cleaning for Fresh Water: For the health of your pet, it is recommended that the water pump be cleaned every week to that the water is clean COMPATIBLE: This replacement pump is compatible with 2.2L/74oz & 3.2L/108oz & 4L/135oz & 7L/236oz stainless steel cat water fountain etc. Please check the original water pump model before your purchase Ultra-quite and Low Consumption Water Pump: The water pump runs quietly with a noise level of less than 20dB. Even if it runs on a quiet night, it not disturb your sleep or your pet's sweet dream Safe and Stable: low voltage operation, relatively safe for both people and pets. USB interface is suitable for various charging methods, such as power bank, easy and flexible to use Easy Maintenance: Pet water dispenser pump with removable outer cover and interior, it is easy to disassemble and easy to clean Regular Cleaning for Fresh Water: For the health of your pet, it is recommended that the water pump be cleaned every week to that the water is clean Color: White Material: plastic Package Contents: 1*Cat Water Fountain Pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.