The DS rectangular cased attenuator design offers, as standard, many advanced features including aerodynamic splitters and side liners, slide-on flanges and erosion protected acoustic infill covered by galvanized perforated sheet metal. Casing conforms to DW 142 Class B ductwork code.
Where preferred, type DK splitters only can be supplied for inclusion in an AHU section or builders work duct. Where required, airway spacer channels can be supplied.