Air Filler Valve & Handle 6 BAR (variable) Valve Width:Narrow Valve They can be used with professional quality sprayer They can be used with both our 3 bar and 6 bar sprayers and are intended for use with our Mesto sprayers HydroSil BS will protect surfaces from water ingress This model also allows you to adjust the operating pressure thus selecting the pressure at which your sprayer operates to a maximum of 6 bar This valve replaces the handle and compression cylinder of your sprayer and allows you to connect your sprayer directly to a compressor eliminating the requirement to manually compress the tank and ensuring that you have a constant supply of pressurised air