Blue Square 1220050-GR Q360+™ Gray Telescoping Bubbler - The Q360+™ Telescoping Bubbler is designed to add additional beauty to any pool or spa. When the bubbler is extended, the bubbling effect and tranquil sound of falling water can instantly relax and rejuvenate you, adding a sense of peace and tranquility to your outdoor pool environment. When retracted, the bubbler sits flush with your pool or spa floor, steps, benches, or sun decks making it virtually undetectable.