Description
When you’ve got an unused port on your sprayer tank, pump, or plumbing system, you need something that’ll seal it up tight and stay that way. This 3-inch threaded poly plug does exactly that—keeping your system sealed while giving you the option to use that port later if you need to add a fitting or accessory.
What You’re Getting
- Heavy-duty polypropylene construction that won’t crack or corrode from chemicals or weather
- Male NPT threads that create a reliable, leak-proof seal in female fittings
- Easy to install and remove—just thread it in by hand or with a wrench
- Chemical-resistant material perfect for sprayers and liquid handling systems
- Black color that won’t fade from UV exposure or harsh farm conditions
Built for Real Farm Work
This plug works great on sprayer tanks, pump housings, and plumbing manifolds where you need to close off unused ports. It’s part of Banjo’s extensive line of polypropylene fittings designed specifically for agricultural applications. Whether you’re working with herbicides, fertilizers, or water systems, this plug handles the job without breaking down.
Made to Last
Polypropylene is the go-to material for farm chemical systems because it doesn’t react with most agricultural chemicals and won’t rust like metal fittings can. This plug is built to handle temperature swings and won’t become brittle in cold weather or soften in summer heat.
Good to Know
Thread engagement is important for a good seal—make sure you get at least 3-4 full threads engaged when installing. A little pipe thread compound helps ensure a leak-free connection, especially if you plan to remove and reinstall the plug later. Keep a few extras on hand since they’re handy for temporary repairs or system modifications.





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