Best in 7 days
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Description
Prusa MMU3 Enclosed Conversion Kit for CORE OneIn stock, ready to ship. This conversion kit allows you to move an existing MMU3 unit from an MK4S to the Prusa CORE One or CORE One+. It includes a modified top cover with a pass through for the PTFE tube, so the printer remains fully enclosed after installation. Note: You will need to disassemble the MK4S extruder to reuse certain parts in the CORE One's extruder. Nozzle Recommendation: For optimal MMU3 performance, Prusa recommends using the
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 1953 reviews
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Product Reviews
★★★★★ 5
Perfect for strong chewers
Color: KING KONG
This “indestructible” dog toy (we call it Muscle Dog 😂) has been amazing! My dogs are pretty aggressive chewers and this thing has held up way better than most toys we’ve tried.
They love playing with it and it keeps them busy for a long time without getting torn apart right away. It’s tough, durable, and definitely lives up to the name more than other “indestructible” toys out there.
We’ve tried a lot of toys and this one is a winner—perfect for strong chewers!
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Long lasting&apparently a good flavor(for dogs)
Color: Lobster
Dog has stayed interested keeps selecting this chew toy . An aggressive chewer so a toy that can last is a great find
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Great but not indestructible
Color: KING KONG
Great product but it is not indestructible for my aggressive chewer. This is the second time I have purchased because he loves it so much and it keeps him occupied for hours.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
My puppy LOVES it!
Color: KING KONG
This is the best thing! My 5 month old golden retriever lives his "King Kong". She chews on this for at least 10-15 minutes at a time. Loved it. And it doesn't show any wear at all. It's HEAVY so Mom watch out for toes when they drop it😁
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Reviewed in the United States on May 19, 2026
★★★★★ 5
They love these. For tough chewers and fun
Color: KING KONG
The dogs love this. I have Pitbulls and a Cattle dog/Basset mix. It gets a lot of use.
If you've had BENEBONES. these will be a little different. They're a different material. But work the same. My dogs go after both these and the Benebones.
If you're wondering, these DO produce little sharp pieces of plastic material.
Always monitor your dogs.
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Reviewed in the United States on May 22, 2026
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