Slot ventilation diffuser ERGOVENT LINEO-PRO PUZZLE connected (75/90 mm duct connection / 2 slots x 1050 mm x 20 mm / with damper) Connection Size:90mm Zehnder ComfoWell attenuator CW-S 520

Zehnder ComfoWell attenuator CW-S 520

lower noise levels and increased product life span is a high priority

Pre-insulated one-piece

Blends in with the wall surface to provide an unobtrusive installation

Convex shape on rear of insert to reduce air vortices

Slot ventilation diffuser ERGOVENT LINEO-PRO PUZZLE connected (75/90 mm duct connection / 2 slots x 1050 mm x 20 mm / with damper) Connection Size:90mm Zehnder ComfoWell attenuator CW-S 520Frameless slot ventilation diffuser ERGOVENT LINEO PRO PUZZLE connected (75 mm duct connection 2 slots x 1050 mm x 20 mm with damper) Ergovent's innovative and discreet ventilation diffusers with a variety of duct connection options can be installed in either the vertical or horizontal plane and are designed to be seamlessly plastered and painted in with their surroundings, only the airflow slot remains visible. Designed to be installed within the