Powershot Heavy duty 21'' (530mm) surface cleaner to suit PS4200HD A Surface Cleaner is your best mate for cleaning large, flat surface areas This tool creates effective, shorter working times, enormous energy savings & a long useful machine life due to high quality It can be used on Decks, Patios, Concrete Floors, Footpaths, Driveways, Pool Decks, Parking Lots, Factory/Workshop Floors & any other Horizontal Flat Surface Features: Suitable for machines 3000psi and 15L/min or greater Designed for use with the PS4200HD These rotary cleaners make quick work of cleaning tasks on footpaths, forecourts and car parking areas