The Stihl surface cleaner RA101 is ideal for covering large areas quickly. Its great for use on patios and driveways. It is supplied with the spray lance extension and can be used with pressure washers RE98, RE108, RE118, RE128 PLUS and RE143 PLUS. High speed cleaning of large areas. Ideal for use on patios. Supplied with spray lance extension. Suitable for use with RE98, RE108, RE118, RE128 PLUS and RE143 PLUS.