Colour:30mmx30mm Quantity:1 Welcome to my store, Hope you have a pleasant shopping trip! Features:1.CO2 refiner in aquarium tank, adding co2 to water can promote photosynthesis of aquatic plants, promote plant growth, bright colors, aquatic plants absorb free state co2 can reduce algae growth2. 360 around the bubble, can be 360 can refine the gas, refining efficiency, high Fish tank aquarium use, low resistance atomization, low pressure refinement direct push3.Transparent acrylic material, does not affect the landscape of the grass tank, nano-grade ceramic microporous atomization head bubble finer and more delicate uniform visual effect4.Simple installation, easy to use. Need to be used with non-return valve and CO2 equipment to prevent water backflow, regular cleaning, can be reused, reduce cloggingSpecifications:Size: NL-150 30mmx30mm, refining head diameter 11.6mm; NL-200 35mmx30mm, refining head diameter 11.6mm;materialacrylicPackage List:1x CO2 Diffuser1x Snap-on 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. CO2 Refiner in Aquarium Tank, Adding Co2 to Water Can Promote Photosynthesis of Aquatic Plants, Promote Plant Growth, Bright Colors, Aquatic Plants Absorb Free State Co2 Can Reduce Algae Growth 360 around the Bubble, Can Be 360 Can Refine the Gas, Refining Efficiency, High Fish Tank Aquarium Use, Low Resistance Atomization, Low Pressure Refinement Direct Push Transparent Acrylic Material, Does Not Affect the Landscape of the Grass Tank, Nano-grade Ceramic Microporous Atomization Head Bubble Finer and more Delicate Uniform Visual Effect Simple Installation, Easy to Use. Need to Be Used With Non-return Valve and CO2 Equipment to Prevent Water Backflow, Regular Cleaning, Can Be Reused, Reduce Clogging 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 CO2 Refiner in Aquarium Tank, Adding Co2 to Water Can Promote Photosynthesis of Aquatic Plants, Promote Plant Growth, Bright Colors, Aquatic Plants Absorb Free State Co2 Can Reduce Algae Growth 360 around the Bubble, Can Be 360 Can Refine the Gas, Refining Efficiency, High Fish Tank Aquarium Use, Low Resistance Atomization, Low Pressure Refinement Direct Push Transparent Acrylic Material, Does Not Affect the Landscape of the Grass Tank, Nano-grade Ceramic Microporous Atomization Head Bubble Finer and more Delicate Uniform Visual Effect Simple Installation, Easy to Use. Need to Be Used With Non-return Valve and CO2 Equipment to Prevent Water Backflow, Regular Cleaning, Can Be Reused, Reduce Clogging 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.