Overview
Donaldson’s Junior filter elements are high-performance, small format filter cartridges engineered for sterile gas filtration and venting in food and beverage processing. These pleated membrane mini cartridges feature a hydrophobic PTFE junior filter cartridge design that delivers exceptional gas flow with low-pressure drop, ensuring reliable and efficient operation.
They are ideal for critical applications like aseptic packaging, fermentation air, tank ventilation, and nitrogen blanketing, and integrate seamlessly into junior-style housings for dependable sterile air performance.
Sterile Air Junior Pleated Membrane Filter Elements
The Donaldson Sterile Air Junior Filter Element is a sterile grade, pleated, hydrophobic ePTFE membrane filter for use with processed foods and beverages.
These elements are designed for gas filtration and venting applications utilizing existing junior-style housings and feature exceptionally high gas flow rates at low-pressure differentials.
Features
- All sterile filters are integrity tested to verify compliance with established quality and design specifications
- Inherently hydrophobic ePTFE membrane
- Available in MCY 330/4440, MCY 2230/4463, Code 2, and Sealkleen™ connections
- Log reduction value of ≥ 7
- Low-pressure drop at high flow rates
- Compliance with USP Class VI plastics biological reactivity testing and EC/10/2011 for all plastic parts
- Approved for food contact use according to CFR Title 21 & 1935/2004/EC
Applications
Processed Food and Beverage:
- Aseptic packaging
- Carbon dioxide as an ingredient
- Fermentation air
- Tank ventilation
- Nitrogen blanketing
