Underfelt Collars - BFX

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Complete your installation kit with VELUX’s tried-and-tested BFX underfelt collars, available in a range of sizes to suit.

Note: If you are ordering a BDX Insulation Collar you DO NOT NEED a BFX Underfelt Collar as one is included in the BDX Kit.

Looking for something specific? If you can’t find it here, give our friendly customer services team a call on 01752 692760 and they’ll be glad to help you.

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Products in Underfelt Collars - BFX:
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