Leading Filtration Solutions

Innovative Oil Filter Technology

Welcome to the forefront of filtration technology. With over 20 years of expertise, we provide industry-leading solutions that enhance engine performance and longevity. Explore our range of products designed to minimize downtime and maximize efficiency.

Our Featured Products

Winchester Global Pty Ltd trading as ProtxL is an Australian company specialising in advanced oil filtration technology designed to improve engine performance, reduce operational costs, minimise maintenance downtime, and significantly reduce global waste oil.

Leading Oil Filtration Solutions

What Our Customers Say About Us



"I have seen a significant improvement in our engine performance since using ProtxL filters. The extended service intervals have saved us time and money without compromising quality."

Michael Thompson
Fleet Manager
Marine

Explore Our Filtration Insights

The Company’s filtration systems and intellectual property are protected through global patents, representing the core valuation and strategic asset base of the business. 

Current projections indicate that ProtxL’s proprietary systems have the potential to reduce global waste oil generation by up to 30%, creating substantial environmental and economic benefits across multiple industries.

This commitment to sustainability aligns with increasing global demand for environmentally responsible solutions and positions ProtxL as a leader in the transition toward cleaner, more sustainable industrial practices worldwide.

The filtration systems are engineered to:
• Extend engine oil life
• Improve engine efficiency
• Reduce maintenance servicing frequency
• Reduce equipment downtime
• Lower operational costs
• Reduce production losses caused by maintenance shutdowns
• Improve sustainability outcomes

Our Future Technology

The Future Has Arrived

ProtxL is dedicated to developing advanced filtration technologies that help reduce environmental impact while enhancing operational efficiency across industrial sectors. Worldwide, an estimated 60–70 million metric tonnes of waste oil are generated each year, creating significant environmental and economic challenges. ProtxL’s innovative filtration systems are designed to extend oil service life and improve contaminant removal, with the potential to reduce global waste oil generation by up to 30% through enhanced filtration performance and sustainable oil management practices. The Company’s manufacturing facility is projected to have the capacity to produce approximately 200,000 spin-on oil filters annually, with significant scalability to support international demand through ProtxL’s manufacturing operations in Vietnam and future global expansion initiatives.

Our Innovation Solutions