This sleeve is designed to facilitate installation of a 125 mm diameter humidity-sensitive register in a plasterboard ceiling. It ensures secure fixing and optimum airtightness between the port and the air duct.

Features :

• Length: 100 mm
• Compatible diameter: 125 mm
• Material: Plastic
• Color: Black
• Fastening type: Clamps for plasterboard mounting
• Warranty: 2 years