Watertek 355mm Flat Surface Cleaner Arm ¼ BSPF JetsWatertek Force 18 355 mm Flat Surface Cleaner Arm with BSPF Jets The Watertek Force 18 355 mm arm is a robust replacement arm designed for high performance flat surface cleaners. Machined for durability and precision, its fitted for BSPF jets and engineered to deliver even, professional cleaning coverageideal for patios, driveways, warehouse floors and other large surfaces. Key Features 355 mm arm length, optimised for Force 18 class surface cleaner