Colour:Multicolor Quantity:1 batteries required:No Batteries Included:No Item Weight:48 g Specification: Condition: 100% Brand New Item Type: Aquarium Air Pump Accessories Material: Plastic Color: As the Picture Shown Package List: 2 x Air Stone 4 x Accessories 2 x Check Valve 2 x Water Pipe About this item Check valveIt includes two check valves, which are connected at both ends of the air pipe to control the direction of air flow.luxury baby gifts Bubble StoneAdopts high temperature sintering manufacturing, sturdy and durable material, bubbles dispersed evenly and good effect dissolved oxygen. Improve water qualityHelps to increase oxygen levels, water currency and improves water quality. Important tool for maintaining the respiration process of fish in aquarium. Widely usedIncreases oxygen content to meet a variety of environments, suitable for adding oxygen pump, fish raising equipment, aquariums, fish tanks, etc.vacation gift ideas Hose ConnectorThere are 1 air pipe and 4 hose connectors, which can divide an air outlet into two directions, which is light in weight and easy to install.vacation gift ideas See more product details Check valveIt includes two check valves, which are connected at both ends of the air pipe to control the direction of air flow.luxury baby gifts Bubble StoneAdopts high temperature sintering manufacturing, sturdy and durable material, bubbles dispersed evenly and good effect dissolved oxygen. Improve water qualityHelps to increase oxygen levels, water currency and improves water quality. Important tool for maintaining the respiration process of fish in aquarium. Widely usedIncreases oxygen content to meet a variety of environments, suitable for adding oxygen pump, fish raising equipment, aquariums, fish tanks, etc.vacation gift ideas Hose ConnectorThere are 1 air pipe and 4 hose connectors, which can divide an air outlet into two directions, which is light in weight and easy to install.vacation gift ideas