PureT (TU-3) PE Tubing 3-8" - 500 Foot Roll
PureT TU-3 3/8" PE Tubing – 500 Foot Roll
Food-grade polyethylene tubing for reverse osmosis systems, filters, and water treatment installations. Compatible with John Guest push-fit connectors.
Built for clean water transport and long-term reliability
Food-Grade Polyethylene
NSF-certified PE material resists scale, chlorine, and common water treatment chemicals without leaching contaminants.
Universal Push-Fit
Works with all standard John Guest, DMFit, and quick-connect fittings. No special tools or heat required for installation.
High Burst Strength
Handles pressures up to 150 PSI at room temperature. Suitable for RO feed lines, drain lines, and permeate tubing.
500 Foot Bulk Roll
Cut to exact lengths for custom installations. Reduces waste and cost per foot for contractors and service technicians.
Technical details
| Model Number | TU-3 |
| Outside Diameter | 3/8 inch (9.5 mm) |
| Inside Diameter | 1/4 inch (6.35 mm) |
| Material | Polyethylene (PE) |
| Roll Length | 500 feet |
| Max Pressure | 150 PSI @ 73°F |
| Temperature Range | 33°F – 120°F |
| Certifications | NSF/ANSI 51, 58, 61 |
Works with standard fittings and systems
This 3/8" OD tubing fits all John Guest PE fittings in the corresponding size range (PI series for 3/8" OD). Also compatible with DMFit, Express Water, APEC, iSpring, and other reverse osmosis systems using push-to-connect fittings. Use for permeate lines, feed water lines, and drain connections on residential and commercial RO systems. Not compatible with compression fittings designed for rigid copper or CPVC pipe.
Bulk Contractor Roll
Cut custom lengths on-site without paying for pre-cut waste
NSF Certified
Meets NSF standards 51, 58, and 61 for drinking water contact
Easy Installation
Push-fit design allows tool-free connections in seconds
Temperature Stable
Maintains flexibility and seal integrity from 33°F to 120°F
PureT TU-3 3/8" PE Tubing – 500 Foot Roll
Food-grade polyethylene tubing for reverse osmosis systems, filters, and water treatment installations. Compatible with John Guest push-fit connectors.
Built for clean water transport and long-term reliability
Food-Grade Polyethylene
NSF-certified PE material resists scale, chlorine, and common water treatment chemicals without leaching contaminants.
Universal Push-Fit
Works with all standard John Guest, DMFit, and quick-connect fittings. No special tools or heat required for installation.
High Burst Strength
Handles pressures up to 150 PSI at room temperature. Suitable for RO feed lines, drain lines, and permeate tubing.
500 Foot Bulk Roll
Cut to exact lengths for custom installations. Reduces waste and cost per foot for contractors and service technicians.
Technical details
| Model Number | TU-3 |
| Outside Diameter | 3/8 inch (9.5 mm) |
| Inside Diameter | 1/4 inch (6.35 mm) |
| Material | Polyethylene (PE) |
| Roll Length | 500 feet |
| Max Pressure | 150 PSI @ 73°F |
| Temperature Range | 33°F – 120°F |
| Certifications | NSF/ANSI 51, 58, 61 |
Works with standard fittings and systems
This 3/8" OD tubing fits all John Guest PE fittings in the corresponding size range (PI series for 3/8" OD). Also compatible with DMFit, Express Water, APEC, iSpring, and other reverse osmosis systems using push-to-connect fittings. Use for permeate lines, feed water lines, and drain connections on residential and commercial RO systems. Not compatible with compression fittings designed for rigid copper or CPVC pipe.
Bulk Contractor Roll
Cut custom lengths on-site without paying for pre-cut waste
NSF Certified
Meets NSF standards 51, 58, and 61 for drinking water contact
Easy Installation
Push-fit design allows tool-free connections in seconds
Temperature Stable
Maintains flexibility and seal integrity from 33°F to 120°F
Original: $93.62
-65%$93.62
$32.77Description
PureT TU-3 3/8" PE Tubing – 500 Foot Roll
Food-grade polyethylene tubing for reverse osmosis systems, filters, and water treatment installations. Compatible with John Guest push-fit connectors.
Built for clean water transport and long-term reliability
Food-Grade Polyethylene
NSF-certified PE material resists scale, chlorine, and common water treatment chemicals without leaching contaminants.
Universal Push-Fit
Works with all standard John Guest, DMFit, and quick-connect fittings. No special tools or heat required for installation.
High Burst Strength
Handles pressures up to 150 PSI at room temperature. Suitable for RO feed lines, drain lines, and permeate tubing.
500 Foot Bulk Roll
Cut to exact lengths for custom installations. Reduces waste and cost per foot for contractors and service technicians.
Technical details
| Model Number | TU-3 |
| Outside Diameter | 3/8 inch (9.5 mm) |
| Inside Diameter | 1/4 inch (6.35 mm) |
| Material | Polyethylene (PE) |
| Roll Length | 500 feet |
| Max Pressure | 150 PSI @ 73°F |
| Temperature Range | 33°F – 120°F |
| Certifications | NSF/ANSI 51, 58, 61 |
Works with standard fittings and systems
This 3/8" OD tubing fits all John Guest PE fittings in the corresponding size range (PI series for 3/8" OD). Also compatible with DMFit, Express Water, APEC, iSpring, and other reverse osmosis systems using push-to-connect fittings. Use for permeate lines, feed water lines, and drain connections on residential and commercial RO systems. Not compatible with compression fittings designed for rigid copper or CPVC pipe.
Bulk Contractor Roll
Cut custom lengths on-site without paying for pre-cut waste
NSF Certified
Meets NSF standards 51, 58, and 61 for drinking water contact
Easy Installation
Push-fit design allows tool-free connections in seconds
Temperature Stable
Maintains flexibility and seal integrity from 33°F to 120°F
