Made of fine quality material, long-lasting to use. The is a cyclone system. It works with all kinds of vacuum cleaner, such as household vacuum cleaners, industrial vacuum. companion to your vacuum for filtering/separation of wood dust, flower, plastics and aluminum chips, etc. Usage: 1. Connect with the centrifugal fan. 2. Connect with the industrial vacuum cleaner. 3. Connect with the household vacuum cleaner. Item type: Industrial Extractor Dust Collector Power: ≥750w Air Volume: ≥170 m3/h Wind Pressure: ≥2000pa Wind Speed: 12-28 m/s Dust Particles: ≤ 20 mm Pipe Inner Diameter: 25mm Efficiency: 80% - 95% Colour:blue Material:plastic Package Contents: 6 x Dust Collector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.