Product Description
The Donaldson 135501-00825 Filter Minder graduated dirt alarm is a visual restriction indicator designed for hydraulic and pneumatic filtration systems. This 1/8-27 NPT threaded indicator mounts directly on filter housings to monitor system cleanliness in real time.
- Graduated dial for visual restriction monitoring
- Thread size: 1/8-27 NPT
- Restriction setting: 24.98 In H2O (634.4 MM H2O)
- Length: 2.76 inches (70.2 MM)
- Diameter: 1.98 inches (50.2 MM)
- Filter Minder brand quality and reliability
This dirt alarm helps prevent system damage by alerting operators when filter elements require replacement. Available at Next Day Fittings for fast industrial delivery.