Description
When you need to step down from a 4 inch supply line to 3 inch distribution piping, this reducer bushing gets the job done without the bulk of a coupling. Whether you’re setting up a new irrigation system or adapting existing plumbing on your sprayer, this fitting gives you a clean, compact connection that won’t snag on things or take up extra space.
What You’re Getting
- Lightweight polypropylene construction that won’t rust or corrode from chemicals
- MNPT threads on the outside, FNPT threads on the inside for secure connections
- Compact bushing design takes up less space than a reducer coupling
- Chemical-resistant material handles fertilizers, herbicides, and other ag chemicals
- Standard pipe threads work with existing fittings and equipment
Built for Real Farm Work
This reducer bushing works great in irrigation systems, sprayer plumbing, liquid fertilizer setups, and tank connections around the farm. You’ll find it handy when connecting different sized pipes or adapting equipment with mismatched fittings. The poly material makes it perfect for chemical applications where metal fittings might corrode.
Made to Last
Polypropylene stands up to UV exposure, temperature swings, and the chemicals you use every day on the farm. Unlike metal fittings that can rust out or galvanized ones that eventually corrode, this poly bushing keeps doing its job season after season without degrading.
Installation Notes
Thread the male end into your 4 inch female fitting first, then connect your 3 inch male fitting to the female end. Use quality pipe thread sealant or tape for leak-free connections. The poly material threads easily without binding, but don’t overtighten—snug plus a quarter turn is usually plenty.



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