Adjustable Water Flow: Tailor the water flow to your needs with our fish tank water changer's adjustable outlet valve, granting precise control over the cleaning process. Observe the entire water absorption through a transparent hose for enhanced monitoring and efficiency. Safe & Efficient Operation: Simply insert the nozzle into the water, lower the drain below the surface, and squeeze the water-absorbing balloon 2 to 5 times for automatic continuous spraying. This method ensures effective cleaning without health risks, eliminating the need for manual suction like other products. Comprehensive Cleaning Design: The flat nozzle of our suction head guarantees thorough impurity removal in your fish tank, leaving no blind spots untouched. The extended hose accommodates various fish tank sizes, reducing bending strain during cleaning sessions. Versatile Application: This handheld pool vacuum is a versatile tool suitable for small above-ground pools, and more. Note that it is not intended for large pools or drainage systems due to time constraints. Enjoy efficient cleaning without draining pool water. Package Inclusion: Your purchase includes one bathtub spa vacuum cleaner featuring a simple yet durable design that operates without power support. User-friendly and eco-conscious, this cleaner allows you to maintain a clean pool bottom while conserving water resources effectively. Item Name: Vacuum Water Changer Material: Plastic Features: Hand Pump, Portable, Efficient Cleaning, Portable Size Details: S, Length: 170cm/66.93" (Approx.) M, Length: 210cm/82.68" (Approx.) L, Length: 260cm/102.36" (Approx.) XL, Length: 300cm/118.11" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Fish Tank Water Changer 1 x Flat Suction Nozzle 1 x Sand-proof Suction Nozzle