Zehnder rectangular grille housing CSB-P 400 connects 1 x Lamina/Bilamina/ComfoGrid 400 to 1 x 90mm diameter, 2 x 75mm diameter Zehnder ComfoTube

This cleanable, rectangular slot diffuser housing is suitable for installation in all types of wall/ceiling including within concrete and comes complete with locking slides and end caps.  It is designed for use with the 988321646 fixing bracket when mounting within a wall/ceiling void.  The rectangular lamina/bilamina slot diffuser can also be used with the 20/40mm extension pins (990320687/990320688/990320699) and offer adjustable directional air supply.  It can also be used with the 990322010 90mm to 75mm reducer to convert to a 3 port 75mm housing.  182mm high x 439mm wide x 115.4mm deep.