Product Description
- Manufactured from white high impact polystyrene
- Minimum free area of 18,545mm²
- The connector has a female adaptor for connection outside of the FD220 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
