Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Specifications: 3RY (3+R+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Specifications: 3R (3 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Specifications: 1R (1 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: NPT, Port Size: 1/8, Accessory: Bracket, Specifications: 1 + Y, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Size: 20, Backflow Function: None, Thread: NPT, Port Size: 1/8, Accessory: Bracket, Specifications: 1 + R + Y, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Size: 20, Backflow Function: None, Thread: NPT, Port Size: 1/8, Accessory: Bracket, Specifications: 3+R+Y, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Size: 20, Backflow Function: None, Thread: NPT, Port Size: 1/8, Accessory: Bracket, Specifications: 3 + R, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Size: 20, Backflow Function: None, Thread: NPT, Port Size: 1/8, Accessory: Bracket, Specifications: 1 + R, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi

Regulator, Pressure Boosting Valve: Regulator, Regulator Type: Precision Control, Shape: Standard, Operating Environment: Standard, Compatible Fluid: Air, Exhaust Mechanism (Air Bleed): [Included] Bleed, Reverse Flow Function (Relief): No, Supply Side Connection Type: [NPT] NPT, Supply Side, Connection Diameter: 1/8, Flow Direction: [Right] From Left to Right, Control Side Connection Type

Regulator, Pressure Boosting Valve: Regulator, Regulator Type: Precision Control, Shape: Standard, Operating Environment: Standard, Compatible Fluid: Air, Exhaust Mechanism (Air Bleed): [Included] Bleed, Reverse Flow Function (Relief): No, Supply Side Connection Type: [NPT] NPT, Supply Side, Connection Diameter: 1/8, Flow Direction: [Right] From Left to Right, Control Side Connection Type

Regulator, Pressure Boosting Valve: Regulator, Regulator Type: Precision Control, Shape: Standard, Operating Environment: Standard, Compatible Fluid: Air, Exhaust Mechanism (Air Bleed): [Included] Bleed, Reverse Flow Function (Relief): No, Supply Side Connection Type: [NPT] NPT, Supply Side, Connection Diameter: 1/8, Flow Direction: [Right] From Left to Right, Control Side Connection Type

Regulator, Pressure Boosting Valve: Regulator, Regulator Type: Precision Control, Shape: Standard, Operating Environment: Standard, Compatible Fluid: Air, Exhaust Mechanism (Air Bleed): [Included] Bleed, Reverse Flow Function (Relief): No, Supply Side Connection Type: [NPT] NPT, Supply Side, Connection Diameter: 1/8, Flow Direction: [Right] From Left to Right, Control Side Connection Type

This is a legacy product, and replaced byVHS20-N01B-KZ

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Specifications: Y (Upward Facing Knob), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Regulator, Pressure Boosting Valve: Regulator, Regulator Type: Precision Control, Shape: Standard, Operating Environment: Standard, Compatible Fluid: Air, Exhaust Mechanism (Air Bleed): [Included] Bleed, Reverse Flow Function (Relief): [Included] Yes, Supply Side Connection Type: [NPT] NPT, Supply Side, Connection Diameter: 1/8, Flow Direction: [Right] From Left to Right, Control Side Connection

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: NPT, Port Size: 1/8, Accessory: Bracket, Option 1: None, Option 2: Y+Z

Size: 1/8, Reverse Flow: Regulator w/Backflow Mechanism, Thread: NPT, Port Size: 1/8, Accessory: Bracket, Option 1: None, Option 2: Y+Z

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: BE2 (B+E2), Specifications: Y (Upward Facing Knob), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: E3H (E3+H), Specifications: Y (Upward Facing Knob), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: None, Specifications: Y (Upward Facing Knob), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)