The Aquarium Gravel Cleaner and Water Changer is a convenient and efficient tool for maintaining a clean and healthy fish tank. Safe and Efficient: Insert the nozzle into the water, bend down so that the drain is below the surface of the water, and just squeeze the priming ball 2~5 times, and the water will automatically and continuously gush out! This method is very effective and poses no risk to your health, unlike other products that require strong suction with your mouth for a second to start cleaning dirt Adjustable Water Flow: Our hot tub vacuum comes with an adjustable water outlet valve so you can choose the water flow according to your needs, giving you more control over the cleaning process. You can also directly observe the entire suction process through the parent hose Versatility: Handheld pool vacuums are suitable for a variety of situations, including spas, hot tubs, small above-ground pools, and more. Please note that it is not suitable for large swimming pools or drainage systems as this will take a long time Package Contents: You will receive 1 piece hot tub spa vacuum cleaner. It features a simple and durable design that requires no electrical support. It is very user-friendly and allows you to clean the bottom of your pool without draining the existing pool water. This not only saves water but also effectively helps you clean your pool. Feature: Eco-Friendly Type: Pool cleaning tools Material: plastic colour: Blue Package Contents: 1 x Small suction head 1 x duckbill suction head 1 x Connecting rod 1 x Hose 1 x Airbag 1 x Water volume regulating valve 1 x Filter Screen 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.