Ø150 mm coupler — joins two ventilation fittings end to end.

• Designed for fittings that already have their own seals — which is why the coupler is supplied without one
• Ø150 mm — the standard diameter for residential and small commercial installations
• Quick connection, no tools or extra parts required
• Durable construction for general ventilation systems

Ø160 mm coupler — joins two ventilation fittings end to end.

• Ø160 mm — used for higher airflows than Ø150: house heat recovery units, small commercial spaces, main runs
• For fittings with their own gasket — the coupler is supplied without one
• Quick connection, no tools or extra parts required
• Keeps the run aligned and the cross-section continuous