VELUX IGR PK10 3038 upgrade Kit from 2 to 3 layer Pane MSRP: £118.08 (Inc. VAT) MSRP: £98.40 (Ex. VAT)
VELUX VELUX IGR SK06 3038 IGR kit - upgrade from 2 to 3 layer pane MSRP: £115.20 (Inc. VAT) MSRP: £96.00 (Ex. VAT)