Zehnder Rectangular Grille Housing CSB-P 400 Connects 1 x Lamina/Bilamina/ComfoGrid 400 to 1 x Dia 90mm, 2 x Dia 75mm ComfoTube auto-reminder-elica-filter The testo Smart App enables

The testo Smart App enables you to work more easily and efficiently: Use the measurement menus for pressure drop test with alarm function or for non-contact IR temperature measurement with image documentation including measuring value and measurement spot marking

Based on the ever so popular MB3B but now without the hard plastic base

Its durability is further enhanced by a glow-in-the-dark strip

Internet control by smartphone

Hall Controls Provided in Diffuser

Zehnder Rectangular Grille Housing CSB-P 400 Connects 1 x Lamina/Bilamina/ComfoGrid 400 to 1 x Dia 90mm, 2 x Dia 75mm ComfoTube auto-reminder-elica-filter The testo Smart App enablesThis 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