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FD220 Duct to Duct Self Seal Coupler
£4.60
Self seal coupler used to join two lengths of FD220 duct
Product Description
- Manufactured from white high impact polystyrene
- Minimum free area of 16,790mm²
- The Self Seal Coupler incorporates a gasket to reduce air leakage to an absolute minimum in connections between two lengths of 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
