Options include a mounting bracket and set nuts for panel mounting, and a pressure gauge.  The modular design of the AR series connects with other SMC air preparation equipment. "REGULATOR. N.

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: 0.02~0.2MPa Setting+Non-relieving, Option 2: -

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: None, Option 2: Upward Handle

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: Rc, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: -, Option: -

Body Size: 20, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 02 (1/4), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Y (Upward), Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Regulator, Pressure Boosting Valve: Regulator, Regulator Type: Standard, Shape: Standard, Operating Environment: Standard, Compatible Fluid: Air, Exhaust Mechanism (Air Bleed): [Included] Relief, Reverse Flow Function (Relief): No, Supply Side Connection Type: Rc, Supply Side, Connection Diameter: 1/4, Flow Direction: [Right] From Left to Right, Control Side Connection Type: Rc, Control Side

Body Size: 20, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 1/4, Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Upward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa, Made to Order: -

Body Size: 20, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 1/4, Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: 0.02~0.2MPa Setting, Option 2: R+Y

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: Non-relieving, Option 2: Flow Direction: Right->Left

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: 0.02~0.2MPa Setting+Non-relieving, Option 2: Flow Direction: Right->Left

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: Non-relieving, Option 2: Upward Handle

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: 0.02~0.2MPa Setting, Option 2: Upward Handle

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: None, Option 2: Flow Direction: Right->Left

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: 0.02~0.2MPa Setting, Option 2: -

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: Non-relieving, Option 2: -

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: M Thread, Rc(PT), Port Size: 1/4, Accessory: None, Option 1: None, Option 2: R+Y

Body Size: 20, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 02 (1/4), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 02 (1/4), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Thread: Rc, Port Size: 02 (1/4), Option: C (N.C. Float Type Auto Drain), Attachment: Standard, Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: R (Flow Direction: Right to Left)