Sioux Introduces Brochure Words: Dan Kamys Sioux Introduces Brochure Sioux Corporation has a brochure for its EN-Series All-Electric line of hot water pressure washers and steam cleaners. The brochure features new photos, details of the product features, and a listing of the current model numbers available. ?? Standard models are available with 50 Hz or 60 Hz electricals, and with any voltage used world-wide. This product line, like all Sioux products, is backed by Sioux’s Twenty-Year Reliability Guarantee, technical service after the sale, and more than 70 years of experience. The EN-Series product line includes ETL third-party testing to UL and CSA safety standards as well as a wide range of options and accessories. All EN-Series units are available in explosion-proof versions for operation in hazardous locations.