Product Description
- Manufactured from white UPVC
- Minimum free area of 18,545mm²
- The FD220 duct fits into the female adaptor of the FD220 fittings
- 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 will meet UL94HB flammability standard