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Interface Devices 11629 Air Filter for OB-30 Oxygen Booster

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The Interface Devices 11629 Air Filter is a replacement 40-micron air filter for the OB-30 oxygen booster, designed to remove particulates and contaminants from the air supply, ensuring safe, clean operation. Featuring a durable metal bowl, manual drain, and 1/4” NPT connection, this filter helps protect internal components and maintain reliable oxygen booster performance.

General Information
Part #11629
ManufacturerInterface Devices
Shipping Information
Product Weight0.5 lbs.
Product Dimensions5 x 2 x 2 in.
Schedule B8421290065
ECCNEAR99

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AIRCRAFT COMPATIBILITY

Compatible Aircraft*
*This list is for general reference only and may not be entirely accurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.

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QUESTIONS & ANSWERS

Question:
What is the Interface Devices 11629 Air Filter used for?
Answer:

The 11629 air filter is used on the OB-30 oxygen booster to remove contaminants from the incoming air supply. It helps ensure that only clean air enters the system during operation. This is critical for maintaining safe and efficient booster performance. It also protects sensitive internal components.

Asked March 20, 2026
Question:
Why is an air filter important for an oxygen booster?
Answer:

Air filters are essential in oxygen booster systems because they remove dirt, oil, and particulates that could create safety risks. High-pressure oxygen systems are highly reactive, and contaminants can increase the risk of ignition. The filter helps reduce these risks by keeping the air supply clean. This supports safer operation.

Asked March 20, 2026
Question:
What type of contaminants does the 11629 air filter remove?
Answer:

The 11629 air filter removes particulates such as dust, rust, and oil traces from the air supply. It features a 40-micron filtration rating, which helps capture fine debris. Removing these contaminants protects the booster from damage. It also helps maintain system cleanliness.

Asked March 20, 2026
Question:
How does the 11629 air filter improve oxygen booster performance?
Answer:

By removing contaminants, the filter helps ensure consistent airflow and prevents system blockages. Clean air allows the booster to operate more efficiently and reliably. It also reduces wear on internal components. This leads to improved long-term performance.

Asked March 20, 2026
Question:
How does the air filter help protect internal components?
Answer:

The filter prevents debris and contaminants from entering the booster’s internal system. This reduces the risk of damage to valves, seals, and other critical components. Cleaner operation helps extend equipment life. It also reduces maintenance needs.

Asked March 20, 2026
Question:
How does the 11629 air filter support safety in oxygen systems?
Answer:

The filter plays a key role in reducing potential ignition sources within high-pressure oxygen systems. Removing oil and particulate contamination helps minimize fire and explosion risks. This is especially important in aviation and industrial oxygen applications. Proper filtration enhances overall system safety.

Asked March 20, 2026
Question:
What are the key features of the 11629 air filter?
Answer:

The 11629 air filter features a durable metal bowl for strength and reliability. It includes a manual drain for removing collected contaminants. The 1/4” NPT connection allows for easy installation in compatible systems. Its 40-micron rating provides effective filtration for booster applications.

Asked March 20, 2026
Question:
How often should the air filter be replaced or serviced?
Answer:

Air filters should typically be inspected regularly and replaced or serviced every 6 to 12 months, depending on usage and conditions. Systems exposed to higher contamination levels may require more frequent maintenance. Routine checks help ensure optimal performance. Keeping the filter clean improves reliability.

Asked March 20, 2026
Question:
Is the 11629 air filter a direct replacement for the OB-30 oxygen booster?
Answer:

Yes, the 11629 air filter is designed as a direct replacement for use with the OB-30 oxygen booster. It meets the specifications required for proper fit and function. Using the correct replacement filter ensures compatibility and performance. This helps maintain system integrity.

Asked March 20, 2026
Question:
Can a clogged air filter affect the booster's operation?
Answer:

Yes, a clogged air filter can restrict airflow and reduce system efficiency. This may lead to inconsistent performance or increased strain on the booster. In severe cases, it can contribute to system failure. Regular maintenance helps prevent these issues.

Asked March 20, 2026