O-Ring 30mm x 40mm x 5mm - Viton (80) Black

O-Ring 30mm x 40mm x 5mm - Viton (80) Black

Marsoni

M251S

$13.23

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

O-Ring 30mm x 40mm x 5mm - Viton (80) BlackProduct Details : O Ring 30mm x 40mm x 5mm Viton (80) Black Part No: MOR0300050 V Product Category: O Rings Product Type: O Ring Standards: Standard Material(s): Viton Material Code: FPM Color: Black Durometer: 80 Temperature Range: 13F to +428F ( 25C to +220C) System Of Measurement: METRIC Dimensions: 30mm x 40mm x 5mm Interior Diameter (d): 30mm Outside Diameter (D): 40mm Cross Section (S): 5mm For any information about products, please contact us.

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We offer a 30-day return/exchange service after receiving.
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The launcher works very well and will probably last forever unless your dog chews it up while bring it to you to get you to play, but the balls, well, they're not made for labs, that's for sure. That's the bad news. The good news is that worn out or abandon tennis balls fit the launcher just fine. Save your throwing arm. Do your dog(s) a favor. Buy this thing.

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Reviewed in the United States on October 13, 2022

Verified Purchase

DoubleM

Draper, US

★★★★★ 1

No angle for correct throwing

Size: 1-pack, Size: 1-pack

This item does not work. It is about ) inches tall. It’s tiny to bend over and pick up the ball. Has no angel for the ball to throw accurately. Ball goes downward. Would not recommend

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Reviewed in the United States on June 30, 2024

Verified Purchase

Michelle W.

Phoenix, US

★★★★★ 5

👍

Size: 1-pack

Good travel size. Works well.

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Reviewed in the United States on August 24, 2025

Verified Purchase

Brenda Linam

Boise, US

★★★★★ 5

well made

Size: 1-pack

great for weak shoulder to get it way out there

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Reviewed in the United States on January 6, 2025

Verified Purchase

Stacie

Lexington, US

★★★★★ 5

Happy pup. Worth it.

My dog loves this thing. It takes hardly any effort to launch the ball. Flick of the wrist kinda thing. The squeaky ball is her favorite but unfortunately you can't buy this brand of ball separately. It says compatible with any 2.5 inch ball but that's not true. We have a ton of Penn tennis balls and they are just slightly too big for this launcher. You can do it but it's a huge pain and hard to throw. Another issue is that when we first got it the handle didn't want to stay screwed together. After the first day of use and having to rescrew it together multiple times, the issue seems to have corrected itself? Either way, for the price with the comfy handle, very low effort throwing for big pay off, two balls included and the crazy excitement from my dog anytime we get near the thing. It's definitely worth it. I like it much better than the chuck it and stone random cheap brand we used to have. I'm going to try one of the balls recommended in the product pictures. I'll update if they work out.

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Reviewed in the United States on May 19, 2026