Kaytee Silent Spinner Sizes:6.5 in and 2 Din5 connectors which

and 2 Din5 connectors which plug into 2 Tunze Controllable Stream pumps

and many other places where you want to control the on/off flow of water

or fragrance

v=volume of tank in liters

allowing for maximum water flow

Kaytee Silent Spinner Sizes:6.5 in and 2 Din5 connectors whichSilent Spinners feature an enclosed spinner hub to reduce noise making them run quite compared to traditional exercise wheels. Silent Spinners work two ways: free standing or attach directly to any wire cage. Features a high quality plastic running surface is safe and comfortable for your furry friend's feet. Mini For hamsters, mice or other small animals 3. 25" x 5. 12" x 7. 25" Regular For hamsters, mice, gerbils, or other small animals 3. 5" x 6.