Nitto HI-CUPLA 20, 30, 40, 400, 600, 800 Series - Barb Adaptors

Note - 20, 30, 40 series do not interchange with 400, 600, 800 series.

1/4 = 20 series

3/8 = 30 series

1/2 = 40 series

1/2 (400) = 400 series

3/4 = 600 series

1" = 800 series

Steel - Working Pressure =210 psi - Max Pressure = 280 psi
Brass - Working Pressure =140 psi - Max Pressure = 210 psi
S/Steel - Working Pressure =210 psi - Max Pressure = 280 psi