Aitao 3 x Nano Glass CO2 Diffuser for Plant Aquarium Fish Tank with Suction Cup

Specifics: Suction cup included. 3 Nano Diffusers. Made of Glass. Diffuser diameter 2cm, 6cm tall. Package Includes: 3 x Diffusers 3 x Suction cupsBrand new and high qualitySuitable for tube with 4mm ..