The Elta 068‑0355-JF4 silencer is a 1200mm long unit with a 355mm diameter, designed as part of Elta’s small metric attenuator range. It includes a spigot connection for easy integration with ventilation setups using small axial fans. This silencer is engineered to reduce system noise and cross talk efficiently. Compatible with flexible and spiral ducting, it provides an effective acoustic solution for a variety of HVAC applications where enhanced sound control is required.