Size:L Quantity:1 Welcome to my store, Hope you have a pleasant shopping trip! Features:1.Function: CO2 diffuses tiny bubbles into the water through the atomisation of the diffuser, improves the growing environment of aquatic plants in the fish tank, promotes photosynthesis of aquatic plants and facilitates the healthy growth of aquatic plants in the fish tank, comes with a bubbler.2.Reliable Material:Made of high-transparent acrylic material, which is beautiful, crystal clear and durable, and does not affect the landscape of the aquarium and the space of the aquarium. 3. Easy to Install & Use: The CO2 diffuser with strong suction cups can be firmly fixed on the inner wall of the aquarium. The low resistance fog generator can be easily pushed straight.Specifications:Size:S-Height 8.3cm/3.3",CO2 Diameter 1.3cm/0.5",Thickness 0.4cm/0.16",Cup Height 2.3cm/0.9",Suitable for Aquariums up to 45cm.M-Height 7.5cm/3.0", CO2 Diameter 1.9cm/0.7", Thickness 0.4cm/0.16", Cup Height 2.3cm/0.9", Suitable for 60cm-90cm aquarium.L-Height 7.8cm/3.1",CO2 Diameter 2.5cm/1.0",Thickness 0.4cm/0.16",Cup Height 2.8cm/1.1",Suitable for 60cm-150cm aquarium.Suction Cup Diameter 3.5cm/1.4"Material: AcrylicPackage List:1x Aquarium CO2 Diffuser1x Suction CupNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow 1-2cm slight dimension difference due to different manual measurement.3. The CO2 Refiner needs to be connected to a CO2 system. Function: CO2 Diffuses Tiny Bubbles Into the Water Through the Atomisation of the Diffuser, Improves the Growing Environment of Aquatic Plants in the Fish Tank, Promotes Photosynthesis of Aquatic Plants and Facilitates the Healthy Growth of Aquatic Plants in the Fish Tank, Comes With A Bubbler. With A Bubbler: CO2 Diffuses Tiny Bubbles Into the Water Through the Atomisation of the Diffuser, Improves the Growing Environment & Promotes Photosynthesis and Facilitates the Healthy Growth of Aquatic Plants in the Fish Tank Easy To Install & Use: The CO2 Diffuser With Strong Suction Cups Can Be Firmly Fixed on the Inner Wall of the Aquarium. The Low Resistance Fog Generator Can Be Easily Pushed Straight. High Efficiency: The Tiny Holes on the Nano-ceramic Finer Piece Make the Air Bubbles Uniform and Fine, and the Dissolution Rate Is High. And Eliminates the Process of Soaking before Use. Stable Structure to Avoid Water Backflow. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. See more product details Function: CO2 Diffuses Tiny Bubbles Into the Water Through the Atomisation of the Diffuser, Improves the Growing Environment of Aquatic Plants in the Fish Tank, Promotes Photosynthesis of Aquatic Plants and Facilitates the Healthy Growth of Aquatic Plants in the Fish Tank, Comes With A Bubbler. With A Bubbler: CO2 Diffuses Tiny Bubbles Into the Water Through the Atomisation of the Diffuser, Improves the Growing Environment & Promotes Photosynthesis and Facilitates the Healthy Growth of Aquatic Plants in the Fish Tank Easy To Install & Use: The CO2 Diffuser With Strong Suction Cups Can Be Firmly Fixed on the Inner Wall of the Aquarium. The Low Resistance Fog Generator Can Be Easily Pushed Straight. High Efficiency: The Tiny Holes on the Nano-ceramic Finer Piece Make the Air Bubbles Uniform and Fine, and the Dissolution Rate Is High. And Eliminates the Process of Soaking before Use. Stable Structure to Avoid Water Backflow. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.