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Description
4mm Push-In Bulkhead Union Connector Nickel-PlatedThe 4mm Push In Bulkhead Union Connector Nickel Plated provides a secure and leak proof connection in various fluid or air systems, and fits into both ends of the connector, allowing for easy installation and secure tool free connections. The fitting typically features a threaded portion on the outer side, allowing it to be secured to the panel with a nut or washer, while the inner portion is used to insert and connect tubing. Specification Value TYPE
The 4mm Push-In Bulkhead Union Connector Nickel-Plated provides a secure and leak-proof connection in various fluid or air systems, and fits into both ends of the connector, allowing for easy installation and secure tool-free connections. The fitting typically features a threaded portion on the outer side, allowing it to be secured to the panel with a nut or washer, while the inner portion is used to insert and connect tubing.
| Specification | Value |
|---|---|
| TYPE | Push-In Bulkhead Union Connector |
| DESIGN | Push-In Design, for quick and tool-free installation. Bulkhead Style, ensure secure tubing through a panel or wall for organized routing. |
| MATERIAL |
Brass with nickel-plating, for durability and corrosion resistance. |
| MATERIAL CONSTRUCTION | Brass |
| WEIGHT (lbs) | 0.05 |
| CONNECTION SIZE 1 | 4 mm |
| CONNECTION SIZE 2 | 4 mm |
| CONNECTION TYPE | Push-to-Connect|Push-to-Connect |
| CONNECTION TYPE 1 | Push-to-Connect |
| CONNECTION TYPE 2 | Push-to-Connect |
| DIMENSIONS | 1.229" L |
| FINISH | Nickel-Plated |
| FITTING TYPE | Union |
| HEX SIZE | 0.663" |
| PRESSURE RATING | 290 psi |
| TEMPERATURE RATING | -4 to 176 deg F |
| THREAD SIZE | M12 x 1 |
| APPLICATIONS | Ideal for pneumatic systems, fluid or water handling, airlines, and other low-pressure systems. |
| BRAND | Midland Industries |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 4
Cute but small
Size: Large, Color: Skinny Green
Cute stuffy and has not yet ripped. While my dogs plays with it, the toy is a bit small for him. For reference he is 120lbs.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Powerful little ball
The ball is well designed, made, and is durable. It is functional and easy to turn on. It has a good amount of power and movement to capture my pets attention. It moves easily on wooden, laminated, and carpeted floors. The material is hard which makes it not break down easily when bitten or chewed. The colors are appealing and attractive.
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Reviewed in the United States on June 5, 2026
★★★★★ 4
Too big and heavy for my dog. Spins more often than it rolls. Good material.
The first time we used this, which honestly took a bit too long to figure out, our dog was excited and immediately kicked it under the couch. I guess that makes sense, you really have no idea where this thing is going to end up. I did fish it out after a bit, and it needed a charge. After reassembly, the ball would only spin in circles until it was hit. That's probably just as well, as it was still engaging and less likely to roll away.
The issue is this is large and heavy, larger than a tennis ball and heavier than it looks. That's fine for big dogs, but it isn't great for small dogs like Boston terriers or frenchies, and definitely useless for toy breeds. My dog was able to lift it with the module removed, and that's how he prefers it now. The outer TPU layer is strong and grippy, so it's not a total waste. It looks a little rougher than the pictures appear but my dog doesn't mind. I get it... I"ve worked with TPU before and it's a temperamental material.
The price is quite low, but not if you aren't getting use out of the mechanical aspect. This is a good value for the right dog: a medium dog with a snout - maybe a sheltie; definitely a golden. For others, a smaller version would be nice.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Hands free toy!!!
This is one of my dogs absolute favorite toys. I have a German shepherd husky mix that is notorious for destroying his toys. This one has stood the test !!! Have had it for about a month and we have played rough with it. The battery lasts forever. It’s such an easy toy too. Stuck under the couch?? It’ll eventually bounce its way out. Dog nudging and you need some space, pop this this on and it’s like a magic trick lol. My dog gets so excited when I pick it up because he knows I’ll turn it on. Sometimes, he will bounce it hoping it will turn on lol. Stronglyyyyyyy recommend.
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Reviewed in the United States on May 17, 2026
★★★★★ 4
Might be good for some playful dogs
My dog likes to play fetch with a rubber ball and figured I would give this one a tray as it moves on its own. It is a little on the larger size, so this is likely going to be for a large dog. My dog is about 30 pounds and it was too large of a ball for his mouth. You can open up the ball and set it to bounce on its own by hitting a switch. It will bounce all around and is very quiet. However, my dog is a little nervous and he freaked out at it moving. I ended up giving it to a friend and she said her dog loves chasing around her house and outside. It is a great idea and good for some dogs, but not if your dog is a little skittish.
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Reviewed in the United States on June 4, 2026
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