Product Name: 4 in 1 Aquarium Plant System: CO2 Diffuser + Check Valve + U Tube + Suction Cup
- This product is made of good quality glass.
- This product can be used on CO2 system to offer a safe environment for water plant.
- Tube size: 4mmX6mm
- 1 * check valve
- 1 * diffuser
- 1 * u tube
- 1 * suction cup