Type B Polypak® Rod/Piston U-Seal 3.625" x 4.000" x 0.375" - AU/NBR

Marsoni

M251S

$42.15

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

Type B Polypak® Rod/Piston U-Seal 3.625" x 4.000" x 0.375" - AU/NBRProduct Details : Type B Polypak Rod Piston U Seal 3. 625" x 4. 000" x 0. 375" AU NBR Part No: 18703625 375B 4615 Product Category: Symmetrical Seals Product Type: Rod Piston U Seal Profile: Type B Polypak Material(s): Polyurethane Nitrile Material Code: AU NBR 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 Dimensions: 3. 625" x 4. 000" x 0. 375"

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I have used these for years during the winter. The price has nearly tripled but the longevity is the same. I normally purchase three with one being a spare. Within a few weeks they start going. I switch batteries etc but normally that does not help. Its a great idea and my dogs love them but they dont hold up to 10 minutes of play each nite. We do not throw them either, I roll them or kick them as my dogs are older

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Reviewed in the United States on November 12, 2025

Verified Purchase

Mitchell LaForest

Charlottesville, US

★★★★★ 5

Great product

Very good. Hours of fun with the dog.

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Reviewed in the United States on March 3, 2026

Verified Purchase

Krispy

Chelsea, US

★★★★★ 2

Expensive ball- stops working in a week

Came without any protection inside for batteries. Stopped working after a week. Expensive ball to break in a week

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Reviewed in the United States on December 7, 2025

Verified Purchase

Lauren Michelsen

Whiting, US

★★★★★ 5

Great ball for dogs

Murphy’s favorite ball!!!

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Reviewed in the United States on February 18, 2026

Verified Purchase

Charndra

San Leandro, US

★★★★★ 5

Great toy!

Size: Small Size

My Frenchie absolutely loves this toy!!! It keeps her occupied for a long time. Has held up well to her chewing, and she's able to pick it up and carry it.

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Reviewed in the United States on March 24, 2026