nederman ab405a ne42 industrial pneumatic vacuum cleanerA robust, compressed air driven double unit with pre separator silo, designed for the disposal of industrial waste. In the first stage, 95% of the vacuumed material is separated from the air. In the next stage the filter is mounted which also results in a very low filter load. Equipped with braked castors so that the mobility, even when filled with heavy cargo is guaranteed. The silo is equipped with an unloading valve which makes it very easy to