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Description
Waterway 672-4370 Manifold Barb AirThe Waterway 672 4370 is a PVC air manifold part designed for spa systems. It features a configuration of 1" slip, 1" spigot, and a dead end, with eight 3 8" barbs for tubing connections, which can be secured via glue or clamps. This manifold includes one 1" plug and two 3 8" plugs, and is manufactured for use with Dynasty Spas.
The Waterway 672-4370 is a PVC air manifold part designed for spa systems. It features a configuration of 1" slip, 1" spigot, and a dead-end, with eight 3/8" barbs for tubing connections, which can be secured via glue or clamps. This manifold includes one 1" plug and two 3/8" plugs, and is manufactured for use with Dynasty Spas.
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4.3 ★★★★★
Based on 2224 reviews
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Product Reviews
★★★★★ 4
Excellent Hard Sci-Fi… Until the Politics Pull You Out
Format: Kindle
I was really excited to dive into Project Hail Mary. As a longtime Isaac Asimov fan, I’ve been craving fresh, modern hard science fiction that actually respects the science. This book delivered — at least for a while.
The author injects real science into the story in a way that’s both fun and fantastic. You don’t need to be an engineer to follow it; a solid high-school education is plenty. The concepts stretch your imagination without ever feeling impossible, and for the first chunk of the book I was hooked. I genuinely thought I’d found a new favorite author.
Then the jarring interruptions started.
Out of nowhere you get yanked out of the immersive sci-fi world by modern political pandering that feels completely unnecessary. A random parenthetical about Columbus “discovering an already inhabited world” when comparing something to the New World. Casual pronoun lectures. Characters selected or described by race and identity in ways that scream “check the boxes.” These moments don’t serve the story — they feel injected. Once you notice the author’s leanings, it becomes hard to unsee.
Each time it happens, the fantasy evaporates. It takes several chapters to sink back into the story… only for the next micro-lecture to pull you right back out.
Overall, I loved the writing, the hard science, and the imagination. It’s some of the best sci-fi I’ve read in years. I just wish the author had trusted the story instead of sneaking in real-world politics. It’s like eating the best meal of your life… and then finding a hair or two in it.
Strongly recommended for the sci-fi, with the above caveat.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
A Good Intriguing Start
Format: Kindle
A very good read. I thought Hickman wrote the best version of Doom, but this story so far is exceeding my expectations. This is a well written Doom, intelligent, strategic, all the things you want a good villain to be.
And that’s the thing, Doom hasn’t done anything one could call necessarily villainous yet, so at this point you’re kind of on his side. I’m curious to see if the writers can pull off a heel turn that doesn’t have him suddenly act out of character or do something incredibly stupid in order to show his villainy in the end.
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Reviewed in the United States on June 25, 2025
★★★★★ 5
One World Under Doom (2025-) #1
Format: Kindle
One world under Doom, fantastic first issue. Great character interaction. The storyline and artwork draw me right in. Can't wait for next issue.
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Reviewed in the United States on June 25, 2025
★★★★★ 5
Doom!!
Format: Kindle
Big fan of Doom!! Great start so far. Highly impressed with the story and the characters in this series so far.
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Reviewed in the United States on May 3, 2025
★★★★★ 3
I Expected More Character-wise
Format: Kindle
Ryan North's Fantastic Four series is a fantastic read, and the titular heroes are a well-written team. But, the characters featured in this series seem pretty shallow, if not stupid.
I get that to move a series along you need the characters to exhibit recognizable surface-level traits and to get them into situations in rather short order, but asides from Doom's elaborate planning, the characters in this comic feel hollow to me.
There are eight more issues to go, and I'm onboard for the conclusion, but I hope that this main series gets some personality on its own apart from needing the accompanying tie-in series to do that.
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Reviewed in the United States on February 12, 2025
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