one hundred foot No Spill Blank and Fill Aquarium Upkeep Device. Works with kitchen tap to siphon water from tank in an instant into the sink. No buckets required! Fill up the tank with water from the tap (freshwater handiest) for extremely-fast water adjustments whilst saving water with an effective 7 to 1 suction ratio. Python tubing is synthetic of FDA authorized nonporous UV stabilized subject matter which removes the potential of including bad chemical pollutants into your tank.