When it comes to industrial air compression systems, filter quality directly impacts equipment performance and longevity. Furthermore, the Atlas Copco 1621138999 filter element represents a breakthrough in filtration technology. This genuine filter element delivers exceptional protection for your compressor investment while maintaining optimal operational efficiency.

Atlas Copco has engineered this filter element to meet the demanding requirements of modern industrial applications. Additionally, the 1621138999 model incorporates advanced filtration materials and innovative design features. Consequently, operators can expect superior performance compared to standard aftermarket alternatives.
Contents
Key Product Advantages
The Atlas Copco 1621138999 filter element offers multiple benefits that significantly enhance compressor performance and reliability.
Superior Filtration Efficiency
This genuine filter element traps particles down to 3 microns effectively. Moreover, it prevents 99.9% of contaminants from reaching critical compressor elements. The advanced filtration paper features special indentations that capture foreign materials without restricting airflow. As a result, your compressor maintains maximum process efficiency throughout extended operation periods.
Maximum Dust Holding Capacity
The filter design prioritizes dust holding capacity to extend service intervals. Furthermore, the unique construction allows for greater contaminant storage without compromising filtration performance. This characteristic reduces maintenance frequency while ensuring consistent air quality output.
Minimized Flow Restriction
Despite its high filtration efficiency, the 1621138999 element maintains minimal flow restriction. Additionally, the special filtration paper design optimizes air passage while capturing contaminants. Therefore, your compressor operates at peak efficiency without unnecessary energy consumption increases.

Genuine vs. Alternative Filters
Feature | Atlas Copco 1621138999 | Alternative Filters |
Filtration Efficiency | 99.9% particles ≥3 microns | 85-95% particles ≥5 microns |
Dust Holding Capacity | Maximum rated capacity | 60-80% of rated capacity |
Flow Restriction | Minimized design | Higher restriction levels |
Service Life | Extended intervals | Shorter replacement cycles |
Quality Assurance | Factory certified | Variable quality control |
Warranty Coverage | Full manufacturer warranty | Limited or no warranty |
Technical Specifications
Specification | Value |
Part Number | 1621138999 |
Weight | 5705 g |
Width | 620 mm |
Height | 170 mm |
Length | 640 mm |
Origin | Germany (DE) |
Tariff Code | 84219990 |
Filtration Rating | 3 microns |
Efficiency | 99.90% |
Installation Instructions
Installing the Atlas Copco 1621138999 filter element requires careful attention to proper procedures. Follow these steps to ensure optimal performance:
- Shutdown and Depressurize: Turn off the compressor completely and release all system pressure safely.
- Access the Filter Housing: Remove the protective covers and access panels to reach the filter compartment.
- Remove Old Filter: Carefully extract the used filter element, noting its orientation and position.
- Clean Housing: Inspect and clean the filter housing thoroughly, removing any accumulated debris.
- Install New Filter: Insert the 1621138999 element ensuring proper seating and orientation alignment.
- Secure Components: Replace all housing covers and ensure proper sealing of all connections.
- System Restart: Start the compressor and monitor initial operation for proper filter function.

Customer Experience Review
John Martinez, Production Manager at Advanced Manufacturing Solutions, shares his experience with the Atlas Copco 1621138999 filter element:
“We installed these genuine Atlas Copco filters six months ago across our production facility. The difference in air quality has been remarkable, and our compressor maintenance intervals have extended significantly. Previously, we experienced frequent contamination issues that caused production delays. Since switching to the 1621138999 elements, our compressed air system operates consistently without interruption. The 99.9% filtration efficiency claim proves accurate in real-world applications. Our energy costs have also decreased due to the reduced flow restriction design. This investment has paid for itself through improved reliability and reduced maintenance requirements.”
Frequently Asked Questions
Q1: How often should I replace the 1621138999 filter element?
A: Replacement intervals depend on operating conditions, but typically range from 2000-4000 operating hours. Monitor pressure differential across the filter to determine optimal replacement timing.
Q2: Can I clean and reuse this filter element?
A: No, the 1621138999 is a disposable filter element designed for single use. Attempting to clean may damage the filtration media and reduce efficiency.
Q3: What happens if I use non-genuine filter elements?
A: Non-genuine filters may provide lower filtration efficiency, shorter service life, and potential warranty issues. They often lack the 99.9% efficiency rating of genuine Atlas Copco elements.
Q4: How do I verify this is a genuine Atlas Copco filter?
A: Genuine filters include proper part number markings, quality seals, and come with manufacturer documentation. Seadweer provides authentic Atlas Copco products with full traceability.
Q5: Does this filter work with variable speed compressors?
A: Yes, the 1621138999 element works effectively with both fixed and variable speed Atlas Copco compressor models within its compatibility range.

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Secure Your Compressor Investment Today
Don’t compromise your valuable compressor equipment with inferior filtration solutions. The Atlas Copco 1621138999 filter element from Seadweer ensures maximum protection and optimal performance for your compressed air system.
Order your genuine Atlas Copco 1621138999 filter element now and experience the difference that professional-grade filtration makes. With immediate availability and factory-certified quality, you can trust Seadweer to deliver the authentic components your equipment deserves.
Contact us today to place your order and join thousands of satisfied customers who rely on genuine Atlas Copco filtration solutions for their critical applications.
John Martinez –
Great Air Filter for Me!
We installed these genuine Atlas Copco filters six months ago across our production facility. The difference in air quality has been remarkable, and our compressor maintenance intervals have extended significantly. Previously, we experienced frequent contamination issues that caused production delays. Since switching to the 1621138999 elements from Seadweer, our compressed air system operates consistently without interruption. The 99.9% filtration efficiency claim proves accurate in real-world applications. Our energy costs have also decreased due to the reduced flow restriction design. This investment has paid for itself through improved reliability and reduced maintenance requirements.