 
Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: G (Round Type Pressure Gauge w/Limit Indicator), Attachment: S (Pressure Switch), Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: B (Bracket), Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Body Size: 40, Thread: N (NPT), Port: 03 (3/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: Standard, Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: WZ (W + Z)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: Standard, Attachment: V (3-Port Valve for Residual Pressure Release), Semi-Standard 1: 3 (Lubricator w/Drain Cock, Exhaust Port), Semi-Standard 2: WZ (W + Z)
Body Size: 40, Thread: N (NPT), Port Size: 06 (3/4), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: 6R (6 + R), Semi-Standard 2: WZ (W + Z)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: G (for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: B (Bracket), Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: WZ (W + Z)
Body Size: 25, Thread: N (NPT), Port: 02 (1/4), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Body Size: 30, Thread: N (NPT), Port: 02 (1/4), Option: G (Round Pressure Gauge w/Limit Indicator), Attachment: TV (T + V), Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: WZ (W + Z)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), Option: B (Bracket), Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Body Size: 40, Thread: N (NPT), Port Size: 06 (3/4), Option: B (Bracket), Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: WZ (W + Z)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: B (Bracket), Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: Standard, Attachment: Standard, Semi-Standard 1: 3 (Lubricator w/Drain Cock, Exhaust Port), Semi-Standard 2: WZ (W + Z)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: Standard, Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)
Size: 40 (1/2), Reverse Flow Function: None, Thread: N (NPT), Port Size: 04 (1/2), Accessory 1: B (Bracket), Pressure Gauge Angle: G1 (Mounting Angle 0°), Accessory 2: None, Option 1: None, Option 2: None, Option 3: WZ (Combination of W & Z), B: B
Series AF modular style air filter is a cost effective, clean looking solution to your filtration needs. Its modular design allows connection with other SMC air preparation equipment.