BISS: Legris 7772 04 00 Nylon Air Flow Control Valve, Inline, Bi-Directional, External Screw, 5/32" or 4 mm Tube OD - Parker Legris

Pet Products: Plastic Aquarium 2 Way Air Line Tubing Flow Control Valve 3mm Dia 5pcs - uxcell

BISS: PneumaticPlus SCF-1/4 Air Flow Control Valve with Push-to-Connect Fitting, In-Line Speed Controller Union Straight - 1/4" Tube OD x 1/4" Tube OD - PneumaticPlus

BISS Basic: MettleAir MASC-06-1 PK Inline Pneumatic Precision Flow Speed Control Valve, Female to Female, 1/8" NPT - MettleAir

BISS: Legris 7770 06 00 Nylon Air Flow Control Valve, Inline, One-Way, External Screw/Knob, 6 mm Tube OD - Parker Legris

Pet Products: Uxcell a15052500ux0483 Aquarium 4 Way Inline Air Flow Pump Tubing Lever Control Valve - Dragonmarts Co. Ltd. / Uxcell

BISS: SMC AS2051FM-07 Air Flow Control Valve with Push-to-Connect Fitting, PBT & Nickel Plated Brass, In-Line, Body Size 1/4", Low Speed, 1/4" Tube OD x 1/4" Tube OD - SMC

BISS: Legris 7770 62 00 Nylon Air Flow Control Valve, Inline, One-Way, External Screw/Knob, 1/2" Tube OD - Parker Legris

Pet Products: Uxcell Aquarium Inline Air Flow Pump Splitter 4-Way Control Valve - Uxcell

BISS: Legris 7772 56 00 Nylon Air Flow Control Valve, Inline, Bi-Directional, External Screw, 1/4" Tube OD - Parker Legris

BISS: Legris 7770 04 00 Nylon Air Flow Control Valve, Inline, One-Way, External Screw/Knob, 4 mm Tube OD - Parker Legris

Pet Products: 3 Way Aquarium Inline Manifold Air Pump Splitter Lever Control Switch Valve Taps - IDS

BISS: SMC AS2051F-06-3 Air Flow Control Valve with Push-to-Connect Fitting, PBT & Nickel Plated Brass, In-Line, Body Size 1/4", 6 mm Tube OD x 6 mm Tube OD - SMC

BISS: Parker 003371001 337 Series Brass Micrometer Flow Control Valve, 1/4" NPTF Port, 250 psi, Fine Adjustment, 28 scfm - Parker Hannifin

Pet Products: 100x Aquarium 2 Way Air Valve Tubing Flow Control Valve Connector - Generic

BISS: Legris 7770 56 00 Nylon Air Flow Control Valve, Inline, One-Way, External Screw/Knob, 1/4" Tube OD - Parker Legris

BISS: Legris 7770 60 00 Nylon Air Flow Control Valve, Inline, One-Way, External Screw/Knob, 3/8" Tube OD - Parker Legris

Pet Products: Plastic Aquarium 2Way Air Line Tubing Flow Control Valve 3mm Dia 20pcs - uxcell

BISS: SMC AS3001F-11-3 Air Flow Control Valve with Push-to-Connect Fitting, PBT & Nickel Plated Brass, In-Line, Body Size 3/8", 3/8" Tube OD x 3/8" Tube OD - SMC

BISS: Legris 7770 08 00 Nylon Air Flow Control Valve, Inline, One-Way, External Screw/Knob, 8 mm Tube OD - Parker Legris

The above is "Inline Air Flow Control Valve: BISS: Legris 7772 04 00 Nylon Air Flow Control Valve, Inline, Bi-Directional, Ex..." recommended related products, Please click on the picture to see product details and inline air flow control valve reviews!