Eldon James C4-1-200BN Automotive Black Nylon Reduction Coupler, 1/4" Hose Barb to 1/16" Hose Barb (Pack of 10)

Eldon James C4-2BN Automotive Black Nylon Reduction Coupler, 1/4" Hose Barb to 1/8" Hose Barb (Pack of 10)

Eldon James C2-1-200BN Automotive Black Nylon Reduction Coupler, 1/8" Hose Barb to 1/16" Hose Barb (Pack of 10)

Eldon James C4-3WN Industrial White Nylon Reduction Coupler, 1/4" Hose Barb to 3/16" Hose Barb (Pack of 10)

Eldon James C6-4BN Automotive Black Nylon Reduction Coupler, 3/8" Hose Barb to 1/4" Hose Barb (Pack of 10)

Gikfun 12V DC Dosing Pump Peristaltic Dosing Head with Connector for Arduino Aquarium Lab Analytic DIY AE1207

Cole-Parmer Male luer with Lock Ring x 1/4" Hose Barb, Nylon, Pack of 25

Eldon James C6-4HDPE Natural High Density Polyethylene Reduction Coupler, 3/8" Hose Barb to 1/4" Hose Barb (Pack of 10)

Eldon James C4-2HDPE Natural High Density Polyethylene Reduction Coupler, 1/4" Hose Barb to 1/8" Hose Barb (Pack of 10)

Cole-Parmer AO-45502-20 Female luer x 1/4" hose barb adapter, Nylon, 25/pk

Eldon James C8-4NN Natural Nylon Reduction Coupler, 1/2" Hose Barb to 1/4" Hose Barb (Pack of 10)