SILENT MASTER S2 SM1 DUCTED SYSTEM FOR HOMES UP TO 750 SQUARE METERS SUITABLE FOR UP TO 90 METER PIPE RUN PLEASE NOTE: DOES NOT INCLUDE A 9 METER HOSE KIT Silent Master ducted vacuums are manufactured by MD Manufacturing Inc. Based in Bakersfield, California. They have been manufacturing ducted vacuums for over 45 years and are one of the worlds leading producers of ducted vacuum systems. Specifications: 3.2 HP Dual Motor System 2 X 2 Stage Fan Motors 2300 Total Watts 722 Air Watts Airflow 5760 L/m 6 Year Warranty Designed and Assembled in USA Convenient Machine Inlet Quick Change Bag Filter Liner 5 Stage Filtration 45 Litres Dirt Capacity Whisper Quiet 62 Decibels Powder Coates Steel Canister Height 81 cm Diameter 38 cm