Coarse bubble diffusers

The membrane is made of oxidation-resistant EPDM rubber.

Diffuser body

Reinforced PVC for maximum resistance to chemicals, temperature and UV.

Design features

The coarse bubble disc diffuser is mounted on a PVC base and reinforced with stiffening ribs. It opens automatically when air is supplied to the pipework. When the air supply stops, the diffuser closes and prevents wastewater from entering the pipework.

Technical data

Air flow:
minimum 0.020 m³/min
maximum 0.420 m³/min