Size, Body, Valve Type: 12B (Size: 1; Body Mat'l: C37; Port Size: 1/8; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: M (24VDC; Conduit Terminal w/Surge Voltage Suppressor), Other Voltages and Electrical Options: None, Other Options: B (NPT Thread), Bracket Interchangeable w/Old Type: XB (Yes)

Size, Body, Valve Type: 12B (Size: 1; Body Mat'l: C37; Port Size: 1/8; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: M (24VDC; Conduit Terminal w/Surge Voltage Suppressor)

Size, Body, Valve Type: 12B (Size: 1; Body Mat'l: C37; Port Size: 1/8; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: Z (Other Voltages and Electrical Options), Other Voltages and Electrical Options: 1G (220VAC; DIN Terminal w/Surge Voltage Suppressor), Other Options: G (FKM, NPT Thread)

Size, Body, Valve Type: 12B (Size: 1; Body Mat'l: C37; Port Size: 1/8; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: F (24VDC; Grommet w/Surge Voltage Suppressor), Other Voltages and Electrical Options: None, Other Options: Z (Oil-free, Rc Thread), Bracket Interchangeable w/Old Type: XB (Yes)

Size, Body, Valve Type: 12B (Size: 1; Body Mat'l: C37; Port Size: 1/8; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: M (24VDC; Conduit Terminal w/Surge Voltage Suppressor), Other Voltages and Electrical Options: None, Other Options: Rc, Bracket Interchangeable w/Old Type: XB (Yes)

Size, Body, Valve Type: 12B (Size: 1; Body Mat'l: C37; Port Size: 1/8; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: S (24VDC; Conduit w/Surge Voltage Suppressor), Other Voltages and Electrical Options: None, Other Options: G (FKM, NPT Thread)

Size, Body, Valve Type: 12B (Size: 1; Body Mat'l: C37; Port Size: 1/8; Orifice Dia: 3, N.C.), Voltage and Electrical Entry: C (110VAC; Grommet w/Surge Voltage Suppressor), Other Voltages and Electrical Options: None, Other Options: E (Oil-free, NPT Thread)

SI Unit: w/o SI Unit, Stations: 12 Stations, SUP/EXH Block Mounting: Both Sides 2~16 Stations, Pilot: Internal Pilot, A, B Port: 1/4" One-touch Fitting, Mounting Method: DIN Rail Mounting

SI Unit: 0 (w/o SI Unit), Stations: 12 Stations, SUP/EXH Block Mounting: B (Both Sides 2~16 Stations), Pilot: Internal Pilot, A, B Port: N7 (1/4" One-touch Fitting), Mounting Method: D (DIN Rail Mounting)

SI Unit: 0 (w/o SI Unit), Stations: 8 Stations, SUP/EXH Block Mounting: B (Both Sides 2~16 Stations), Pilot: Internal Pilot, A, B Port: C6 (ø6 One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 16 Stations, SUP/EXH Block Mounting: B (Both Sides 2~16 Stations), Pilot: Internal Pilot, A, B Port: N7 (1/4" One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 5 Stations, SUP/EXH Block Mounting: B (Both Sides 2~16 Stations), Pilot: R (External Pilot), A, B Port: N7 (1/4" One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 8 Stations, SUP/EXH Block Mounting: D (D Side 2~10 Stations), Pilot: Internal Pilot, A, B Port: N7 (1/4" One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 12 Stations, SUP/EXH Block Mounting: B (Both Sides 2~16 Stations), Pilot: S (Internal Pilot, Built-in Silencer), A, B Port: N7 (1/4" One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 4 Stations, SUP/EXH Block Mounting: U (U Side 2~10 Stations), Pilot: Internal Pilot, A, B Port: N7 (1/4" One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 7 Stations, SUP/EXH Block Mounting: B (Both Sides 2~16 Stations), Pilot: Internal Pilot, A, B Port: N7 (1/4" One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 14 Stations, SUP/EXH Block Mounting: B (Both Sides 2~16 Stations), Pilot: R (External Pilot), A, B Port: N3 (5/32" One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 16 Stations, SUP/EXH Block Mounting: B (Both Sides 2~16 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 8 Stations, SUP/EXH Block Mounting: B (Both Sides 2~16 Stations), Pilot: S (Internal Pilot, Built-in Silencer), A, B Port: N7 (1/4" One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 10 Stations, SUP/EXH Block Mounting: B (Both Sides 2~16 Stations), Pilot: Internal Pilot, A, B Port: C6 (ø6 One-touch Fitting)