
If you notice, then I gave 4 stars, but rated all categories with 5 stars. This is because neither the website nor any of the instructions in the bag I bought them in include any of the blue ferrules that came with the fittings. I bought some shark fittings a while back and they came with something similar to this but were made to remove fittings from tub hoses. It took me forever to find a video showing how to install them. Once I got that information, the job was easy (pun intended). They worked great! Incidentally, they are locked with a small grip on the outside.

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

Joywayus 5/8" ID Hose Barb Hex Union Brass Fitting Water/Fuel/Air With 10 Stainless Steel Clamps (Pack Of 5)
13 Review

12V Brass Solenoid Valve, 3/4" Electric Air Valve For Water, Air, Gas, Fuel And Oil - Normally Closed By Beduan
10 Review