3/8" MPT Brass Sockets - Foster Quick Connects

Marsoni

M251S

$10.30

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

3/8" MPT Brass Sockets - Foster Quick ConnectsSeries ST Straight through couplings! Designed for use where minimum pressure drop is required and valving is not needed. Well suited for use on pressure wash, steam cleaning, and carpet cleaning equipment and many fluid transfer systems. FEATURES: Ball lock manual operation Smooth bore permits free flow of liquid. WARNING: over pressurization could result in a sudden failure of the coupling, causing severe bodily injury or death. Be sure to select

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My camper is a 2004 with oxidized paint and dark streaks from being out in the weather. I looked at reviews and there is a lot of hype about this product so I ordered some. I used this on an area of my camper to test it in case it didn't work and guess what...it didn't. It didn't remove the oxidation and black streaking any better than Ajax powder. In one place, when I used it as directed, it wore the paint down to the bare metal and didn't remove dark streaking in the surrounding area. The area I tested it on looked cleaner, but no better than the area I used Ajax powder on the day before. Very expensive for what it didn't do. I do not recommend this product.

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Reviewed in the United States on May 18, 2025

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nelson malony

Cuba, US

★★★★★ 5

Great product

I have used this for years and it is excellent. Very easy to use.

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Reviewed in the United States on May 13, 2026

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Louie Ciavaglia

Charlottesville, US

★★★★★ 5

Works great

Be careful NOT to get it on painted surfaces it will remove the paint. It does exactly what they say it does and if you follow the directions to the letter you won't have any problems

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Reviewed in the United States on November 15, 2024

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Kindle Customer

Alexandria, US

★★★★★ 5

Worth the time and effort.

Perfect solution to my faded out, sun damaged gel coat. Follow the instructions to the letter for a factory-like shine. One bottle was barely enough for our 22' Winnebago, another bottle for our 29' Cabin Cruiser. Many compliments on the shine.

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Reviewed in the United States on April 24, 2025

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lwp99

Natrona Heights, US

★★★★★ 4

A quality product which will clean an oxidized fiberglass trailer in preparation for the application of Poli Glow

I used this to remove the Poli Glow previously applied about two years ago to my fiberglass trailer. It seems to do a slightly better job of removing the PG than the other Prep solution, but I didn't do a side-to-side comparison. And the surface never achieved a completely uniform appearance after the stripping, although this may not be possible because of differences in the remaining gel coat surfaces. I also completely washed the trailer with soap & water after using this stripping product. I didn't do this the previous time and thought some of the prep compound may have been left on the surface resulting in a shorter life. Time will tell. Note: it is still "work" to strip the trailer, this is not a "magic" solution, thus the 4-star rating. But it, along with the Poli Glow, was the only way to get my oxidized trailer to look shiny. All the other products tried failed to bring a glow. I will purchase it again when redoing the trailer.

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Reviewed in the United States on March 5, 2017