Anyone who wants to make real snow will need a designed snowgun with nozzles and fittings. Our Forecaster snow gun is professionally engineered and easy to use. Included in our snow guns are check valves, high pressure 150 micron filters, professionally built stainless steel nozzles, and quick connection fittings for easy use. The BYSS Forecaster snow gun can be used with any pressure washer(s) with flow rates between 1-8 GPM.