5 orifice refers to the size of the opening that allows water to pass through the nozzle

1/4" inlet

When paired with a properly sized unloader valve and thermal relief protection

Built with professional-grade materials this nozzle is built to withstand repeated high-pressure use and still perform long-lasting

Durability is at the heart of the ZWD-K4042G design:

40° Quick Connect Spray Pressure Washer White Nozzle - 4.5 Orifice Filters 5 orifice refers to theWide Spray Pattern for Gentle, Efficient Cleaning The 40 Quick Connect Spray Pressure Washer White Nozzle 4. 5 Orifice is the go to choice when you need wide coverage with reduced intensity. Designed for use with pressure washers requiring a 4. 5 orifice, this nozzle produces a broad fan spray ideal for delicate surfaces, larger areas, and rinsing tasks. Whether youre washing vehicles, windows, outdoor furniture, siding, or wooden decks, it provides