Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 29 - Jul 4
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Description
Grain Guard Silo Relief Valve 50 MMComplete oil bath silo relief valve kit including oil. Also known as breather boxes. Includes: 1x Relief Valve 1x 2 Litre Oil Bottle (Hy spin AWS 32) 1x 50mm Poly Elbow 1x 50mm Rubber washer 2x 50mm Steel washer Relief Valve fitting instructions Used for gas sealed silos. One valve for up to 250 T of silo capacity. NB Use on silos designed for + 500 Pascal operating pressure. Watch the video in which Andrew Kotzur provides an insight into Relief valve
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- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 1672 reviews
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Product Reviews
★★★★★ 5
Love it
Good quality right size
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 3, 2026
★★★★★ 5
For tough chewers
This is great for my large puppy. It has taken a beating, and I trim off any hanging or loose pieces of rubber. It has survived the test of time.
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Reviewed in the United States on May 13, 2025
★★★★★ 4
We call it the brick.
Great chew toy. Not really made for playing fetch. It’s large and very heavy. Good construction.
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Reviewed in the United States on February 26, 2025
★★★★★ 5
Pittie Perfect
My 75 pound pittie loves this toy! I put baby carrots as the treats and keep her occupied and happy!
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Reviewed in the United States on January 18, 2026
★★★★★ 3
Indestructible but hard to get treats out
We have a power chewer and have had the black Kong products for a long time. I opted to try this new design however, the shape makes it difficult for our dog to reach the treat. We have stopped using it since I had to keep digging the treat out for her. : ) The black Kong shaped like a pear works much better for her. Giving this 3 stars overall because she can't really use it well.
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Reviewed in the United States on April 8, 2024
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