Spring Loaded Type B Polypak® Rod/Piston U-Seal 3.750

Spring Loaded Type B Polypak® Rod/Piston U-Seal 3.750" x 4.500" x 0.625" - AU/SS

Marsoni

M251S

$119.05

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

Spring Loaded Type B Polypak® Rod/Piston U-Seal 3.750" x 4.500" x 0.625" - AU/SSProduct Details : Spring Loaded Type B Polypak Rod Piston U Seal 3. 750" x 4. 500" x 0. 625" AU SS Part No: 37503750S625B 4723 Product Category: Symmetrical seals Product Type: Rod Piston U Seal Profile: Type B Polypak Style: Spring Loaded Material(s): Polyurethane Stainless Steel Material Code: AU SS Temperature Range: 65F to +200F ( 54C to +93C) Pressure Range: 5000 PSI ( 345 Bar) Surface Speed: < 1. 6 ft s (0. 5 m s) System Of Measurement: Inch

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These underwear fit great, are nice and breathable (which is great since I work outside here on the south with plenty of summer days over 90+ degrees) They are super stretchy & soft and seem like really nice quality. Wash them on cold and you won't have any shrinking issues. I've had these for a few months now and after many washes, they still retain their stretchy and soft feel.

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Reviewed in the United States on August 29, 2024

Verified Purchase

pam hune

Bozeman, US

★★★★★ 4

Good quality

Size: X-Large, Color: White

What is for my husband. He loves them. Nice soft material.

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Reviewed in the United States on February 7, 2026

Verified Purchase

Anthony Carter

Fort Morgan, US

★★★★★ 5

Great product.

Size: X-Large, Color: Black/Deep Grey/Grey/Deep Blue

Help great for support after vasectomy.

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Reviewed in the United States on April 14, 2026

Verified Purchase

John Shidel

Belleville, US

★★★★★ 2

Poor length & crotch fit.

Size: Medium, Color: Black

Poor support in the crotch area. Waist fits well. Legs too short & ride up. Expected fit to be as good as the Briefs design, which are a great fit. Do not want to chance buying a size down, not expected to be any better. Will buy another brand.

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Reviewed in the United States on May 6, 2026