10 Pack 1/8 inch Plastic Check Valve, One Way Barb Hose Inline Non Return For Fuel, Oil, Water, Air (1/8 inch)

I use these on my cpap machine to keep water from getting back into my so clean machine. It works great for me

I have 2 oxygen concentrators for night use, one in the next bed room one in the garage. I have tubing from both so if we have guests staying, I can run the one in the garage because of the noise. I used 2 of these small check valves in line will each concentrator, so I can just turn on the one in use, without changing the tubing around.

Excelente

As descibed

Used them for drip irrigation. They failed after I use, about 5 minutes of water flowing through them. I’m gonna guess they just can’t handle much pressure. And, if they can’t handle much pressure I have no idea what they’re good for.

Siempre las pido para mi esposo son muy buenas y el las usa para su máquina de pintura

Works well but poor durability comparing to others. Had to replace it 3 times in a week.

great product, fast delivery