SedantoSUV
Straight Air Manifold and Splitter
Straight Air Manifold and Splitter

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Custom Fittings No Leaks!
“I bought both versions for my workshop, 3-way for the garage and 4-way for the mobile setup. Neither has leaked and the build quality is solid. I was able to swap fittings easily to match each tool.” -Kevin P.
Why Get Our Straight Air Manifold and Splitter?
✅ Leak-Free Multi-Port Design: Constant hose changes cause slowdowns and leaks. Our 3-way and 4-way air splitters solve this with nickel-plated steel couplers and milled aluminum bodies that seal tight and keep air flowing to every connected tool.
✅ Customizable Fitting Setup: Every port is threaded with 1/4-inch NPT, giving you freedom to change out couplers, install plugs, or cap off unused lines. Compatible with standard M, D, and I/M plugs for full tool flexibility.
✅ Durable Build With Smooth Flow: Each model is made from corrosion-resistant aluminum for long-lasting strength without the bulk. Internals allow smooth air delivery for stable pressure across all ports.
📓FREQUENTLY ASKED QUESTIONS
Q: What is this used for, and what does “nominal pipe size” mean?
A: This splitter is used to connect air lines, control flow, or run more tools at once. “Nominal size” just means the size is a standard name (like 1/4-inch), not the exact measurement. It helps match the right parts easily.
Q: Can I plug different styles of fittings into each port?
A: Absolutely. Each port uses a standard 1/4-inch NPT thread, allowing you to mix coupler styles or add caps and adapters based on your setup.
⚙️ Specifications:
- Color: Blue, Black
- Material: Aluminum
- Connector Type: Plug
- Thread Type: NPT
- Maximum Pressure: 300 PSI
- Temperature Range: 53.9 to 121 Degrees Celsius
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Compatibility: Industrial, "M", "D" and "I/m" Style Plugs and Couplers
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3-Way
- Item Weight: 1 lb
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Package Inclusion:
- 1 pc 3-Way Straight Air Manifold with 4 ports
- 3 pc x Couplers
- 1 pc x 1/4 Plug
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4-Way
- Item Weight: 1 lb
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Package Inclusion:
- 1 pc 4-Way Straight Air Manifold with 5 ports
- 4 pc x Couplers
- 1 pc x 1/4 Plug
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I added the 3-way splitter to my bench compressor and now I run my inflator, air ratchet, and blower without touching the hoses. Everything stays connected and holds pressure perfectly.
After using the 4-way splitter daily for two weeks, I haven’t seen a single leak. I run four lines at once and the pressure stays consistent even with long hoses.
I changed one of the couplers to a quick-release style I prefer. The threads made it simple to swap and the fit was tight and leak-free with a little Teflon tape.
You’d think it would be heavy because it’s metal, but it’s actually light and easy to handle. The blue finish looks good and it doesn’t feel cheap at all.
I used to disconnect tools all the time while switching tasks. Since I got the 3-way splitter, I just leave everything plugged in and move faster through jobs.