United Rentals chooses equipment based on reliability, durability, and ease of use. The Shark pressure washers are no exception. Features include: reliable Honda GX engines with EPA-certified emissions, durable high pressure pumps, reinforced all-steel frames and chassis with a limited lifetime warranty, ETL-certification to rigid UL-1776 pressure washer safety standards, chrome handles on cold water models and stainless steel coil wrap on hot water models, heating coil made of cold-rolled Schedule 80 steel pipe, automatic detergent injection, and tubed pneumatic tires on portable models. All units can be accessorized with extended reach wands, surface cleaners, rotating nozzles, and sandblast attachments, with many types of models to choose from.