Suggested Retail: $23.99. hygger Bubble Curtain Wall Aquarium Air Stone Kit - The hygger Aquarium Air Bubbler Kit includes a 6.5-feet long rubber hose, air wand, check valve to prevent backflow, and 2 suction cups for stability. The kit also includes bar-shaped airstones available in two sizes, 8-IN and 16-IN long. The base is made of silver aluminum alloy and is weighted to keep the bubble stone in place. The stone produces dense, tiny bubbles like mist and works quietly. This kit helps increase oxygen levels, aerates water, improves circulation and gas exchange, and creates a beautiful bubble curtain. Not suitable for saltwater tanks. Brand: hygger -- LOT STICKER: TCE-BOX-BOXTCED0351-ITEM-71cb4d55___LPNPMBP5432062 hygger Bubble Curtain Wall Aquarium Air Stone Kit, Fish Tank Air Bubbler Dissolved Oxygen Aerator Stone with Air Tubing Diffuser Bubbling Decoration for Pond 16Inch -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.