Puretec MPOR-G O-Ring Set – Suits MP Series MaxiPlus Housings
Ensure a reliable, leak-free seal with the Puretec MPOR-G O-Ring Set, specifically designed for use with Puretec MaxiPlus™ MP Series filter housings. This genuine replacement set includes two high-quality O-rings, providing the correct sealing solution for high-capacity filtration systems.
Engineered to suit the grey MP Series housings, the MPOR-G O-rings maintain optimal performance by creating a secure seal between the housing head and sump, helping to prevent leaks and maintain system pressure.
Key Features
- Genuine Puretec part – ensures correct fit and long-term reliability
- Dual O-ring design – includes 2 O-rings per set for complete replacement
- Leak-free sealing – supports high-flow, high-capacity filtration systems
- Durable construction – made from quality Buna-N material for long service life
- Easy maintenance – simple to replace during routine filter servicing
Compatibility
- Suits Puretec MaxiPlus™ MP Series housings, including:
- MP300
- MP400
- Other grey MP Series housings
These housings utilise a double O-ring seal system for enhanced durability and sealing performance
What’s Included
- 2 × MP Series housing O-rings (complete set for one housing)
Installation Tips
- Always replace both O-rings at the same time
- Lubricate with food-grade silicone grease only (avoid petroleum-based products)
- Ensure O-rings are seated correctly before tightening the housing
Why Replace Your O-Rings?
Over time, O-rings can wear, flatten, or crack, leading to leaks and reduced system efficiency. Regular replacement of the MPOR-G O-ring set helps maintain a secure seal, consistent pressure, and optimal filtration performance.



