ERGOVENT RONDO COANDA

Round Frameless Gypsum Diffuser

RONDO COANDA 100 / 125

Round frameless gypsum diffuser that delivers air along the ceiling surface using the Coanda effect. Available with 3.94 in (100 mm) and 4.92 in (125 mm) duct connections.

Technical Features:

• Application: air supply and extraction

• The Coanda effect design directs airflow along the ceiling instead of downward

• Internal plastic shield protects the gypsum cap from edge damage

• Factory-supplied fiberglass mesh included, no cutting or sourcing needed

• Solid, bubble-free gypsum body with paint-ready surface

• Compatible with metal, flexible, or plastic duct systems

• Adjustable fasteners fit all drywall thicknesses

• Ultra-quiet operation

• Recommended airflow up to 53 CFM (90 m³/h) per diffuser

• Connection sizes: 3.94 in (100 mm), 4.92 in (125 mm)

• Minimum required installation space: 5.51 in (140 mm)

Key Benefits:

• Fast, simple installation

• Painted to match the ceiling in any color

• No dust rings form around the diffuser

• Suitable for single, double, or custom drywall thickness