200mm Circular Diffuser Neck Adaptor

200mm Circular Diffuser Neck Adaptor for use with 200mm circular diffusers when fixing to 200mm diameter ducts
This neck adaptor is made from galvanized steel sheet and fitted to the diffuser with two screws supplied with the product. The screws are driven in the frame mid brace; the flange is pressed down to the foam gasket to stabilize the joint between the parts.