ITEM NAME:Aquarium Co2 Diffuser Made Of Aluminum Alloy Description: This item will dissolve Carbon Dioxide (CO2) speedily into your aquarium or tank. Suitable for use as a decoration or provides a good source of aeration for the tank or aquarium. High-grade polished Aluminum Alloy CO2 diffuser, durable. Helps to ensure plants receive proper amounts of CO2, improve the growth and health of your plants with sufficient CO2 supply. Instructions:Connect to PU tube Specification: Material: Aluminum Alloy Size(DxH): Approx. 2.3x1.4cm/0.91x0.55inch, Overall Length: Approx. 6cm/2.36inch Package Includes: 1 Piece CO2 Diffuser Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the the size above. Due to the lighting effects, monitor settings,etc.There could be some slight difference in the color tone of the pictures and the actual item. SKU: DMO0011761964018734.High-grade polished Aluminum Alloy CO2 diffuser, durable. 1 Piece CO2 Diffuser. This item will dissolve Carbon Dioxide (CO2) speedily into your aquarium or tank. Suitable for use as a decoration or provides a good source of aeration for the tank or aquarium.