Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Orifice Tip: NPT male nozzle thread. Made of brass for long lasting work in foam . Maximum pressure: 5000 PSI. Widely Used: If the foam cannon isn't working as well as it used to, it could be that the mesh filters are worn out and the foam cannon orifice tips are clogged. You can replace them with new and it come back. This Foam Cannon Orifice Tip and Foam Maker allows you to create thick, sticky foam for deep cleaning vehicles, boats, RVs and more. Note: The orifice nozzle must be tightened for optimum foam thickness so that it is sufficiently snug, otherwise it be difficult to produce a thick foam., Manufacturer: Littimoon