SMH NPU2500 Silencer The SMH NPU2500 Silencer is designed to reduce the noise generated by the Negative Pressure unit while minimizing the pressure lost. SPECIFICATIONS 12 Decibel reduction in noise Self Supporting with braked castors Carry Handles
SMH NPU5000 Silencer The SMH NPU5000 Silencer is designed to reduce the noise (approx 12db) generated by the Negative Pressure unit while minimizing pressure drop. *Picture for demonstrative purposes only. Ducting, Negative Pressure Unit and Roving Head sold seperately.