BPN/A model monitor nozzles are designed with an internal built in mixer to suck and mix the pure foam concentrate into the water while gathering all features of the BPN nozzles possible to change the discharge pattern of the nozzle as desired. BPN/A nozzles are equipped with mixing ratio selector equipment located at the foam aspiration port with possibilities to create a mixture with 3% or 6% proportions or where the aspiration system can be shut-oﬀ during usage when only water is needed. C.S.I. S.r.l. produces BPN/A model self-foam aspirating full water jet- fog nozzles with up to 7000 l/min ﬂow rates. All our customers are invited to contact us for diﬀerent ﬂow rate requirements.