4cm Air Bubble Stone Aquarium Tank Hydroponic Oxygen Plate

11PCS Fish tank supplies:1 x Air Bubble Stone & 10 x Plastic Aquarium Plants100% brand new and high quality,Increase oxygen levels, lower CO2 and raise PH.It is an important instrument to successfully keep aquatic fish for respiration process.Durable, washable and sintered by high temperature.Creates bubbles in fish tank while attached to an air pump(air pump is not included).Color: Gray+multicolorMaterial: Mineral Stone + PlasticPlastic Aquarium Plants: Aquarium Plants complete your experience and complement the fishPlants come in a variety of sizes and colors for all aquariumsYour fish pet will love to play and hide among this plantThis Aquarium Plastic Plant adds beauty and liveness to your fish tankOrnament is made from non-toxic plastic material and makes an exciting ornament in any aquariumOffers the natural environment feelingChange your aquarium into a beautiful sceneryIt is vividly and color detailed to add lively and natural life to your tankIt is great to decorate your aquarium all the time with minimum responsibility and maintenanceThey're are absolutely safe for fish and best of all, they won't die, rot or cause any algae problemsFish Aquarium Plants are great to decorate your aquarium all the time with minimum responsibility and maintenanceEach plant has its own ceramic anchor base for holding it in the gravel bedSize:30X100mm/1.18X3.94in(LXH)Air Bubble Stone: Creates water currents and dazzling underwater scenes.Item Size: Approx. 40mm x 15mm (D x H)This air stone is suitable for using in 30-60cm fish tanks.Suitable for inner diameter 4mm soft tube.Package Contents:1 x Air Bubble Stone10 x Plastic Aquarium PlantsOnly the above package content, other products are not included.Note: Light shooting 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.