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FD220 Duct to Fitting Self Seal Couper
£4.60
Self seal coupler used to join a length of FD220 duct to a FD220 fitting such as a T piece, 90 degree bend, etc
Product Description
- Manufactured from white high impact polystyrene
- Minimum free area of 16,790mm² (duct side) to 17,968mm² (fitting side)
- The Self Seal Coupler incorporates a gasket to reduce air leakage to an absolute minimum in connections between length of FD220 duct and FD220 fitting
- 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
