Spark Arresters and Spark Arresting Silencers

Choose Nelson NTS 20 or NTS 30 Low Pressure Drop Silencer when ambient noise is low to medium and a high to medium degree of silencing is required. Available in 22 models, this full line of silencers also can be mounted in any position and features all welded construction, a durable double wrapped body and an "F" mounting flange (standard in sizes 4" to 22"). Companion flanges are also available for 4" to 22".