Threaded Flange NPT Class #300 - SS 304/304L

Threaded Flange NPT Class #300 - SS 304/304L

Marsoni

M251S

$51.92

Get it in 3 business days with 1 day shipping. Friday, May 29

Threaded Flange NPT Class #300 - SS 304/304LDimensions PDF Product Details : Threaded Flange NPT Class #300 SS 304 304L Product Type: Threaded Flange NPT Class: #300 Material(s): Stainless Steel 304 304L Details: In accordance to ASME ANSI B16. 5, MSS SP 6 & 25 ASTM ASME A SA 182 For any information about products, please contact us. *Photos for reference purposes only.

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I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive. It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives. While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.

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Reviewed in the United States on March 7, 2026

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Jack

Battle Creek, US

★★★★★ 5

Must have.

Size: 150 ml, Pack of 1

Very good product, works great.

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Reviewed in the United States on May 7, 2026

Verified Purchase

Robert Cordrick

Louisville, US

★★★★★ 5

Good for routine engine care

Size: 150 ml, Pack of 1

Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.

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Reviewed in the United States on April 21, 2026

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Susie

Waukegan, US

★★★★★ 5

Worth the money

Size: 150 ml, Pack of 1

Great line of car products. My BMW gets better gas mileage when I use it regularly.

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Reviewed in the United States on April 1, 2026

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Michael J. Tuten

Alexandria, US

★★★★★ 4

Easy valve cleaning for the engine

Size: 150 ml, Pack of 1

Just tried the LIQUI MOLY Valve Clean in my car. added it to my fuel, and it seems to help keep things running smoothly. it's handy to have on hand for maintenance, especially when I want to avoid engine issues. it works well in my daily drive and is pretty simple to use. glad i picked this up.

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Reviewed in the United States on May 5, 2026