Super Max 25000GPCanadian Businesses: Only 5% Total Canadian Sales Tax (Save Up To 8%) For Most Provinces. Price excludes freight. The Super Max 25000GP is the most powerful cold water pressure washer offered by Daimer. This high powered, robust cold water pressure washer machine is driven by an ULTRA POWERFUL 60 H. P. gasoline engine, with capabilities to generate an astounding 7000 psi at a flow rate of 9 GPM. The Super Max 25000GP features a variety of customizable