The barb itself is 1/4", not 3/8", so they only fit 3/8" OD line. If you need something that fits the ID 3/8 line, you'll have to find something else. In addition, they look strong and have a solid appearance.
1 Inch Beduan Brass Electric Solenoid Valve, 12V Normally Closed Air Valve For Water, Gas, Fuel, And Oil
10 Review
DIGITEN DC 12V 1/4" Inlet Feed Water Solenoid Valve Quick Connect N/C Normally Closed No Water Pressure
14 Review
Vacuum cleaner Dreame V9 Global, white
145 Review
Upgrade Your Draft Beer Kegerator With The TerraBloom CO2 Keg Pressure Regulator - Dual Gauge Heavy Duty Unit With Safety Features
16 Review