Cam & Groove Coupler, Aluminum, Type B, 4

Cam & Groove Coupler, Aluminum, Type B, 4", Male NPT, 100 psi

Marsoni

M251S

$198.90

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

Cam & Groove Coupler, Aluminum, Type B, 4", Male NPT, 100 psiPrecision machined to rigid tolerances Stainless pins will not rust or bind, providing great strength and safety Recess holds gasket firmly in place ensures proper placement Specifications Material Aluminum Type Type B Coupler Size 4" Thread Male NPT Maximum Operating Pressure 100 psi

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We offer a 30-day return/exchange service after receiving.
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We have a 77lb goldendoodle who loves these. We’re lucky because he doesn’t chew on anything other than his toys, but when he starts on this…he really goes at it. It’s healthy, (not synthetic), doesn’t break apart, (no pieces to worry about him swallowing), it just perfect for him. The noise may get on your nerves but it’s a small price to pay to keep him from chewing on your furniture, shoes, or anything else a mischievous dog can find.

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Reviewed in the United States on May 30, 2026

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Kylie

Birmingham, US

★★★★★ 3

Little pieces break off

Color: Dogwood (Brown), Size: Large (Pack of 1)

My dog is obsessed with this. It does last a long time even given her strong chewing capabilities. I wish it was a little bigger. The main reason I rated it so low is when my dog is chewing on this it breaks off a little plastic peice and sometimes it hits the back of her throat making her cough so you have to supervise with this.

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Reviewed in the United States on February 1, 2026

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Heidi

Battle Creek, US

★★★★★ 5

Great for aggressive chewers

Color: Dogwood (Brown), Size: Large (Pack of 1)

My dog is an aggressive chewer so they are great for her. I would love to have one a bit thinner so it could fit in a holder so it is easier for her to hold while eating. This keeps her busy and is long lasting. I have purchased these multiple times.

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Reviewed in the United States on April 5, 2026

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Greg B.

Louisville, US

★★★★★ 5

Durable and a favorite toy

My 7 month old Black Lab loves this bone. She is a chewer and has gone to town on the three ends. They are roughed up a bit but holding up better than expected. Highly recommend for dogs that love to chew.

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Reviewed in the United States on June 6, 2026

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Lea

San Leandro, US

★★★★★ 5

Perfect for aggressive chewers

I have a 2 year old pittie and she chows thru bones in minutes, even those reviewed as "long lasting". This thing is still going strong after 9 months. She was not initially interested, had to spread peanut butter on one end, one time, and now it is her go-to chew toy. Looks a little mangled after all this time but she's not even 75% thru it. Highly recommend, no stomach issues.

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Reviewed in the United States on June 7, 2026