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🔧 Keep your flow flawless — no backflow, no worries!
This pack of two 1/4" inline check valves is made from high-quality PVDF plastic, offering exceptional resistance to wear and ozone. Engineered with a pagoda-shaped barb for enhanced sealing, these valves prevent reverse fluid or air flow across a broad temperature range (25°C to 135°C). Ideal for diverse uses including water treatment, pneumatic systems, and automotive applications, they ensure efficient, reliable one-way flow control.
| ASIN | B0FT3LZ5P6 |
| Batteries Required? | No |
| Best Sellers Rank | #38,065 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #52 in Check Valves |
| Customer Reviews | 4.3 4.3 out of 5 stars (62) |
| Date First Available | September 29, 2025 |
| Item Weight | 0.352 ounces |
| Manufacturer | Kyuionty |
| Material | Plastic |
| Package Dimensions | 4.92 x 3.15 x 0.71 inches |
| Size | 1/4 Inch |
L**.
Good for high viscosity liquids.
Got these for a DIY under sink direct to container soap pump setup. Works great for high viscosity liquids like Dawn dish soap.
P**L
Works great excellent value
Used it for my furnace sub pump works very well prevents backflow going back into the pump very satisfied good value quality product.
T**R
Good product
Do what a check valve should do at a good price.
R**.
Used with Heat Pump Line
I used these check valves in my heat pump's moisture return tube, right where it exits the garage. I attached an extension hose and directed the water to my strawberry plants, putting the condensation to good use instead of letting it go to waste. The valves work perfectly, allowing the water to flow in one direction without going back into my wall. DIY recommend.
P**S
Works as advertised
Worked great on my 01 Honda Accord
A**.
Functionally a useless part if there is any pressure in the line what so ever.
This is the weakest check valve I've ever encountered. So much so that I don't think it's even appropriate to call it a check valve. Simply blowing into the valvue at the 'no return' end allows bypass with the slightest amount of pressure. Completely useless product.
T**L
Worked great
Great check valve. Perfect fit
Z**I
Just what I needed for my DIY catch can setup
Worked great for my catch can setup
Trustpilot
5 days ago
1 month ago