Check the listing for details. (1) AQUARIUM APPLIANCE AIR BUBBLER INCREASER OXYGEN INCREASE BALL FISH TANK. Condition: New. Listed at 6.99 USD. Air Stone Diffuser Bubbler Aquaponics Visit store ONE AIR STONE REPLACEMENT BUBBLER DIFFUSER ADJUSTABLE TIGHTEN TO REDUCE BUBBLES SUCTION CUP TO HOLD IN PLACE CLEANABLE PULL APART AND WASH OUT MEDIA WHEN DIRTY GREAT FOR HARSH ENVIRONMENT OF AQUAPONICS THIS IS FOR THE DIFFUSER ONLY. NO TUBING OR AIR PUMP IS INCLUDED FREE SHIPPING IS ECONOMY IT CAN TAKE UP TO 10 BUSINESS DAYS Other options are offered Please chose the one that fits your urgency Features: It is adjustable and can be cleaned. Has a suction cup, thus it can be set at any smooth place of the tank. To help the respiration process of your fish. Used with air pump and connecting pipe (not included) to create air bubbles. It is small and will not take much room in your tank. Specifications: Color: Blue Material: Plastic Diameter of the Air Bubble Ball: 1.7cm / 0.67in Suction Cup Diameter: 2.7cm / 1.06in Item Size: 3.4 * 2.7 * 2.3cm / 1.34 * 1.06 * 0.91in Item Weight: 5g / 0.18oz Package Size: 7.5 * 3.5 * 1cm / 2.95 * 1.38 * 0.39in Package Weight: 5.5g / 0.2oz Return And Refund We stand behind our products. WITH 60 DAYS FREE RETURNS Feedback: We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. Shippig Fast USPS SHIPPING! (only to addresses that are deliverable via USPS) Processing is either same day or 1 Business Day. Items are shipping from San Antonio Texas. Economy Free shipping can take from 2-10 business days depending on your location. Other options are offered please chose the one that meets your need Payment Many Trusted Payment options offered. Must ship to a confirmed address. Immediate Payment is required. Terms We stand behind this product with free returns Returns are accepted only if the item is in its original unused condition And the item is returned before 30 days from arrival date. Seller pays return shipping. Ask questions we really don't mind