The high flow MAXI air preparation unit's main application is to prepare the air for pneumatic tools which are large air consumers, such as Atlas Copco Turbo grinders and large vertical and angle grinders, also when long distribution hoses are used. The MAXI has a die-cast zinc housing and aluminum bowls with polypropylene inserts and the bowl is directly screwed to the housing for easy handling. The unit is delivered complete with mounting bracket, assembly kit and pressure gauge.