**FOR DIESEL FUEL ONLY**
One Way Check valve Non Return In-line with Diesel Fuel Filter 10mm or about3/8\"
Both sides are for 10mm or about 3/8th\" lines.
Filter/Strainer mesh is not exceptionally fine. Please be sure to check out the photo of the filter.
**FOR DIESEL FUEL ONLY**
Note: Other sizes available in our store
Stops stubborn leak back problems that may cause hard starting. This valve is designed to put inline where rubber hoses are used. Be sure to install it so the fuel can go in the direction desired. I have seen many a hard starting problem cured with one of these items.
Please feel free to contact us with any questions you may have, We are here to help.