The VELUX BFX underfelt collar and drainage gutter provides a weathertight seal between the roof window and the roofing underlay. Specifically designed for a single window configuration with dimensions of 114cm x 118cm.

Product Features:

• Product Type: Underfelt Collar
• Brand: VELUX
• Series: BFX
• Size: 1140 x 1180 mm
• Warranty: 10 Year

This white VELUX underfelt collar and drainage gutter ensures reliable protection and is backed by a 10-year warranty.