SST-220-DDCON
220mm x 90mm Thermal Duct to Duct Connector
10 x 150mm Worm Drive Clip
100mm (4") Brown Round Grille - Internal or External Use
100mm (4") Louvered Grille with Flyscreen
100mm (4") Round Plastic Ceiling Valve With Fixing Ring
100mm (4") Stainless Steel Ceiling/Wall Valve