6 Proportioning The Prosink-R is a chemical dispensing system that automatically and consistently mixes the precise amount of detergent and sanitizer with water by turning a knob, conveniently filling large sinks with accurate product solutions. <  Strong, long lasting and easy to clean rugged stainless steel enclosure <  Smooth and ergonomic surface, with no sharp edges and customisable front cover <  Connection direct to the water source, no electric power or compressed air needed <  Space saving <  Quick and easy installation: no special tools require ProSink-R For all proportioning applications, SEKO provides the following <  Ability to dose 2 different products in succession or simultaneously (2 products version) <  Single or Double chemical use <  4 GPM Flow rate <   Choose from 15 mixing ratios for accurate and effective dosing <  Ball valve operation, no need to hold or lock a button <  Equipped with an ASSE 1055 certified backflow prevention device in compliance with UPC and CSA standards <  Fill tube designed to minimize excess foam <  Ultra lean tip kit included <  Available accessories : Wire rack for chemical containers Features <  An Ball valve operation <  No need to hold or lock a button <  Smooth and ergonomic surface, with no sharp edges and customizable front cover < Attractive user-friendly design < Rugged stainless steel enclosure < Strong, long lasting and easy to clean <  Installs easily with 2 or 3 screws <  Easy and Fast maintenance with SEKO’s innovative “quick connect” manifold <  Connection direct to the water source <  No electric power or compressed air needed <  Integrated backflow prevention <  Protection against contamination of water supply