Green Leaf Polypropylene 1-1/4 in. D X 1-1/4 in. D Straight Adapter is a compact, reliable connector designed to simplify your fluid transfer projects. This straight adapter links a 1-1/4 in MNPT threaded port directly to a 1-1/4 in hose, all in a single, corrosion-free polypropylene body. Its versatile black finish blends into most setups while delivering dependable performance when you need a quick, secure connection.
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Inlet: 1-1/4 in MNPT (male NPT) thread
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Outlet: 1-1/4 in hose barb
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Material: Polypropylene — lightweight, chemical-resistant, and resistant to corrosion
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Color: Black
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Product type: Straight adapter
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Package quantity: 1 piece
Why polypropylene matters: this non-metallic adapter offers excellent chemical compatibility for water-based applications and resists rust or pitting over time. The single-piece design minimizes leak points and simplifies replacement, making it a dependable choice for quick-fit connections without the complexity of multi-part fittings.
Ideal use cases include irrigation and hydroponics setups, small-scale water transfer, and DIY projects where you need to couple a threaded port to a flexible hose. It’s especially handy for garden, hobbyist, or light-duty lab-style fluid tasks where a compact, affordable adapter is the right fit.
How to use it effectively: connect the 1-1/4 in MNPT end to the corresponding threaded port, press the hose over the 1-1/4 in barb, and secure with a hose clamp for a tight seal. Avoid overtightening on the plastic threads, and ensure the hose is firmly seated on the barb to prevent leaks. For metal ports, a small amount of PTFE thread sealant can improve the seal on the MNPT side while taking care not to overapply.
Built by Green Leaf, this poly-fittings solution is designed for straightforward, dependable performance in everyday fluid transfer tasks. Add it to your toolbox for a ready-made connection that's simple to install, reliable, and easy to replace when needed.
