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Description
Blue Sea 7457 UL-489 Circuit Breaker - 20A Flat Rocker [7457]7457 UL 489 Circuit Breaker 20A Flat Rocker Suitable for use when UL 489 specifications are required (Navy, Army, or Coast Guard vessels, and other vessels covered under CFR 46). Specifications: Amperage: 20A AC Actuator Style: Flat Rocker Poles: 1 Maximum Voltage: 240V AC Circuit Breaker Type: Magnetic Hydraulic Trip Free Terminal Type: #10 32 Screw Tin Plated Brass Interrupt Capacity: 5000A Specifications: Amperage: 20a Box Dimensions: 2"H x 3"W x
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4.2 ★★★★★
Based on 2148 reviews
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Product Reviews
★★★★★ 5
Easy to install
Size: 24x7.9, Color: Black
Easy to install and look great as floating shelves.
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Reviewed in the United States on April 4, 2026
★★★★★ 3
Good Stability, But Quality Could Improve
I bought this bathroom shelf on Amazon and overall, I’m fairly satisfied with the purchase. It is sturdy and holds my items securely without wobbling. The assembly process was straightforward and didn’t take much time. However, I did expect it to be a bit wider based on the pictures, so make sure to double-check the measurements before ordering. I also wish the overall quality of the materials was a little better, as some parts feel slightly less durable than I expected. That said, it still does the job well and serves its purpose. It’s not a bad purchase, especially if you’re looking for something functional and affordable.
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Sturdy and good looking.
Size: 24x5.8, Color: Black, Size: 24x5.8, Color: Black
Great shelves. As you’d expect - and mounting is just fine if you pay attention and hit some studs. I’ve got my wife’s plants on these for over a year with no problems.
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Reviewed in the United States on October 26, 2025
★★★★★ 5
Great shelves
Size: 16.5 Inch, Color: Rustic Brown
I loved these for my room, they were easy to install and super versatile, I love how easy it was to assemble them and how functional they became once I was done setting them up. They fit perfectly next to each other and I love how my room looks nice since I don't like relying on bookshelves or anything of that category and rather have wall shelves. They are really stable and I love how they look, they are also really easy to clean since I spilled some baby powder from my last waxing session and they clean up pretty well. Overall, just know that these shelves are super stable, durable and versatile, I love how many things can fit on it if you know how to organize or don't have much stuff to put on them; it's all up to you and what you need them for, so I recommend them 10/10!
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Reviewed in the United States on December 22, 2025
★★★★★ 5
Great shelves! Had for years!
Size: 16.5 Inch, Color: Rustic Brown, Size: 16.5 Inch, Color: Rustic Brown
I love these shelves, I’ve had them set up both ways, as a floating shelf and the other way where you get some side support. I’ve had them for years, moved with them, and they continue to work great. I’ve had a lot on them too weight wise (I love books) and they don’t cave in the middle. Great shelves and easy to assemble (I’m a newbie with a drill). Great value for the money, durability is great, adjustable, and great for what you get!
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Reviewed in the United States on May 2, 2026
