Description
When you’re running pneumatic lines on your tractor or equipment, every connection matters. A loose fitting means lost air pressure and systems that don’t work when you need them. This John Guest male connector gives you a solid, reliable way to connect 1/2-inch tubing to 3/4-inch NPT threaded ports—no leaks, no hassle.
What You’re Getting
- Push-in design for 1/2-inch tubing that locks securely without tools
- 3/4-inch NPT male threads that seal tight in standard ports
- Built to handle the pressure and vibration of farm equipment
- Quick connection and disconnection when you need to service lines
- Comes in a convenient 5-pack so you’ve got spares on hand
Built for Real Farm Work
These connectors are perfect for pneumatic systems on planters, air seeders, and other equipment that relies on compressed air. Whether you’re running seed meters, actuating gates, or powering pneumatic cylinders, this fitting handles the job. The push-in connection works great with polyethylene tubing that’s common in agricultural pneumatics.
Made to Last
John Guest builds these fittings to handle the tough conditions of farm work. The materials resist corrosion and hold up to temperature swings, while the internal components maintain a solid seal even with constant pressure changes. These aren’t lightweight fittings that’ll fail when the season gets busy.
Good to Know
The push-in side makes installation simple—just cut your tubing square and push it in until it stops. To remove tubing, press the collet ring and pull. Use thread sealant or tape on the NPT threads for the best seal. Keep a few extras in your toolbox since pneumatic repairs always seem to happen when you’re in a hurry.



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