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Spring Loaded Type B Polypak® Rod/Piston U-Seal 5.750" x 6.500" x 0.625" - AU/SS

Marsoni M251S
Sale price$170.81
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Spring Loaded Type B Polypak® Rod/Piston U-Seal 5.750" x 6.500" x 0.625" - AU/SSProduct Details : Spring Loaded Type B Polypak Rod Piston U Seal 5. 750" x 6. 500" x 0. 625" AU SS Part No: 37505750S625B 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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4.5 ★★★★★
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R. Mandino
Charlottesville, US
★★★★★ 5
Cheap but good for what we do!
Color: Dark Blue
I wouldn't play tennis with them -- not that quality. However, we use a chuck-it thrower for our pooch and it's the perfect ball. When she's rips them open it's no big loss. Chinese.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
A
Verified Purchase
Ashley Reyes
Whiting, US
★★★★★ 4
Good Quality but Lose Bounce Over Time
Color: Yellow
Solid tennis balls overall, but after a couple of weeks of daily use they start losing pressure. Still a great deal for casual games or practice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 29, 2025
B
Verified Purchase
Becca
Boise, US
★★★★★ 5
My dogs are obsessed with these
Color: Multicolour, Color: Multicolour
Red, Molly, and Karma are absolutely obsessed with these tennis balls. They’re bright and easy to spot outside in the grass, hold up surprisingly well during rough play, and don’t immediately shred apart like a lot of dog toys do. Great for fetch and everyday play time — definitely a favorite in our house.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
K
Verified Purchase
Kimberly Brown
Omaha, US
★★★★★ 3
Not Tough Enough
Color: Multicolour
Not as tough as Wilson’s. Easy to be chewed and busted by pet.
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Reviewed in the United States on May 17, 2026
J
Verified Purchase
Jennifer Seat
Lake Worth, US
★★★★★ 5
Great exercise tool
Color: Multicolour
I use these to help with my physical Therapy and deep tissue massages at home. These were a low cost and I can have them In multiple locations.
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Reviewed in the United States on May 26, 2026

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