The Python 25 ft. No Spill Clean & Fill and Squeeze Stressless Siphon Starter combines the Python 25 ft. No Spill Clean & Fill and the Python Squeeze Stressless Siphon Starter. The Python 25 ft. No Spill Clean & Fill can work with your faucet to siphon water from your tank directly into the sink, making water changes a breeze. However, if you choose to not use the faucet to create siphon, you can use the included Stressless Siphon Starter to create siphon.