Aquarium Fish Tank CO2 Diffuser Carbon Dioxide Reactor with Ceramic Disc + 2 Suckers

Extra ceramic -type bubble diffuser plateCO2 Diffuser Size(L x W ): Approx. 2.36 x 1.18 inch \/ 6 x 3cmGlass Cup Diameter: Approx. 0.79inch \/ 2cmMaterial: Glass and Ceramic discColor: Clear and high quality!Need more than 0.5kg pressure to work properlyPackage Contents:1 x CO2 Diffuser with Ceramic Disc2 x SuckersOnly the above package content, other products are not included.Note: Light 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.