Manufactured from white UPVC which is lined with acoustic material
Minimum free area of 11,664mm²
It has a female adaptor for connection outside of the FD200 duct
Fully compliant with SAP Appendix Q Product Characteristics Database recommendations for duct sizes used with both extract and Mechanical Heat Recovery Systems
Manufactured in compliance with Domestic Plastic Ductwork specification DW/154 and does meet UL94HB flammability standard