System 220x90 Double Airbrick Adapter With Fitted Grilles - Terracotta

SYSTEM 220 DOUBLE AIRBRICK ADAPTER WITH FITTED GRILLES - WHITE Double airbrick adaptor for System 220. Supplied pre-fitted with 2 x airbrick grilles - DUCVKC704 The DUCVKC5733 220x90mm Rectangular Double Airbrick Adaptor with Grilles is manufactured from (white) High Impact Polystyrene and has a minimum free area of 15,360mm². It has a female adaptor for connection outside of the System 220 duct. The DUCVKC5733 is fully compliant with SAP Appendix Q Product Characteristics Database recommendations for duct sizes used with both extract and Mechanical Heat Recovery Systems. DUCVKC5733 is manufactured in compliance with Domestic Plastic Ductwork Specification DW/154 and does meet UL94HB flammability standard. DUCVKC5733 has been designed for use with Kair System 220.

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