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Description
4" x 40" | CTA Commercial Reverse Osmosis RO Membrane | Chlorine Tolerant | Applied Membranes4" x 40" CTA Chlorine Tolerant Reverse Osmosis Membrane for Commercial RO System Applied Membranes (AMI) Commercial CTA RO Membranes Remove up to 96% of total dissolved solids and feature a Chlorine Tolerance of 0. 3 to 0. 5 ppm. With hundreds of thousands of membranes in operation in water filtration systems world wide, AMI membranes have earned a reputation of delivering consistent, reliable, and long lasting performance, making AMI Membranes the
4" x 40" CTA Chlorine Tolerant Reverse Osmosis Membrane for Commercial RO System
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Applied Membranes (AMI) Commercial CTA RO Membranes Remove up to 96% of total dissolved solids and feature a Chlorine Tolerance of 0.3 to 0.5 ppm. With hundreds of thousands of membranes in operation in water filtration systems world-wide, AMI membranes have earned a reputation of delivering consistent, reliable, and long lasting performance, making AMI Membranes the natural choice for use in small commercial RO systems. AMI Small Commercial CTA RO Membranes are constructed of CTA (Cellulose Triacetate) membrane material and fit standard PVC and Stainless Steel RO Membrane Housings. AMI Membranes are 100% Quality and Performance Tested in their ISO 9001:2015 Certified Facilities. Features of Applied Membranes Commercial CTA RO Membranes
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Specifications for M-C4040A
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Applications for AMI Commercial RO CTA Membranes
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Physical Dimensions of M-C4040A:
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Replacement Compatibility for AMI 4 X 40 CTA RO MEMBRANES
Applied Membranes M-C4040A membrane elements fit industry-standard 4x40 membrane housing pressure vessels and can be used as direct replacement for many industry-standard 4x40 size CTA RO elements with 3/4" male product water tubes ("stinger style").
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Exchange/Return Notes
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4.4 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 4
Fun moving pet toy, but definitely better for dogs
I don’t have a dog, but I do have a cat that loves chasing and batting around balls. I hoped this moving ball would keep her occupied while my girlfriend and I were working, but unfortunately, she wasn’t especially interested. She chased it briefly and touched it a few times, but this is clearly designed more for dogs than cats.
The ball itself works as advertised. It moves unpredictably, vibrates, and has different modes designed to restart when a pet interacts with it. The outer sleeve feels durable, and for under $14, the overall construction is better than I expected.
My biggest complaint is the charging process. You have to remove the internal ball from the protective cover, unscrew it, deal with the lubricant inside, and then access the charging port. It works, but I wish there were an exterior charging connection that didn’t require taking the toy apart.
My cat’s lack of interest isn’t really the product’s fault, so I’m only deducting one star for the awkward charging design. For a dog that loves balls, chasing, or fetch, this could be a fun and inexpensive way to provide extra activity and stimulation.
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Reviewed in the United States on June 10, 2026
★★★★★ 1
Unfortunately another toy...
That doesn't stand up to the kind of dogs that need an interactive toy the most. Dog toy companies are missing the mark. Dogs that need the most entertainment are like our rescue boy in the video. Super smart, active, super chewers. They are the dogs that are abandoned, abused, and put to sleep the most. Why because they can destroy anything when board. The video and pictures say it all. I truly wish I could give less than a star. Value for the money 🤣😮💨😢
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Reviewed in the United States on June 13, 2026
★★★★★ 2
My dogs loved it, but it doesn't hold up.
My dogs absolutely love this ball! The moment I took it out of the package, they were already trying to play with it.
The vibration is strong, and on hardwood floors it moves around fairly well. It keeps the dogs interested and does a good job of rolling around.
The blue outer ring is made of a mildly tacky, hard rubber. Within about 30 seconds of rolling around, it had already picked up pet hair and lint from the floor. That said, the rubber feels fairly durable. I have some heavy chewers, so I'll update my review later to let everyone know how well it holds up over time.
The charging process is a little unusual and somewhat concerning. To charge the ball, you have to remove it from the rubber shell, unscrew it, and pull out the motor assembly. While doing this, I got some kind of grease on my hand, so I would recommend being careful not to fully remove the motor when charging. It does use a USB-C charging port, and a small charging cable is included.
Overall, my dogs are having a great time with it so far. I'll update this review if anything changes or if the ball doesn't hold up long-term.
UPDATE: It is 2 days later, the rubber net around the ball has lost a lot of it's rigidity and no longer holds the inner ball in place. My dogs are able to easily remove the inner ball, which is hard and small enough for them to swallow. This toy has been taken away as much as they have loved it, as it's now a choking hazard. As a result, my rating has gone from 4 stars to 2.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Highly Entertaining Toy That Keeps Dogs Thrilled, But Smart Pups Can Disassemble It
This interactive ball is an absolute hit with my dogs, and watching them play with it has been incredibly entertaining. Right out of the box, the internal mechanism charged up very fast, so we were able to start a play session almost immediately. It blinks blue when charging and solid green when charged. The unpredictable moving and bouncing motions caught my dogs' attention right away, and they love chasing it around the room. My only critique is that it didn't take them very long to figure out how to pop the inner motorized ball completely out of the outer cage. Luckily, the materials are genuinely durable; even though they separated the pieces, they haven't destroyed or damaged either part yet. It's great fun to watch, but you'll definitely want to keep an eye on smart pups who figure out how to open it up.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Really cool cat toy for even the most picky cat!
Color: A1-Red, Color: A1-Red
I love it, wow. Our cat is picky with toys, but even he was intrigued by it. It really kept his attention, which is hard to do. It comes with three modes: fast, slow, and interactive. The only thing is that hair can get all trapped up in it because it's a wheel, so keep your house clean I guess lol. The tail also came off once, so you gotta snuggly get it on up there. Really cool cat toy though, I'm happy I got it lol
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Reviewed in the United States on February 23, 2026