DEDAKJ Filter Replacement – Compatible with 7L DE-1A, 7L DE-1LW, and 9L DE-2AW Oxygen Concentrators  
 
Product Description & How to Use:  

- Enhances Filtration & Reduces Noise: Replacing the noise filter every 3-6 months improves oxygen concentrator performance and minimizes sound levels.  
- Essential for Long-Term Use: Prevents dust buildup, ensuring consistent oxygen output and machine efficiency.  
- Compatible with Multiple Models: Designed for 7L DE-1A, 7L DE-1LW, and 9L DE-2AW Dedakj Oxygen Concentrators.  
- How to Use: Locate the noise filter at the back of the machine, replace it with a new one, and enjoy improved filtration and quieter operation.  
 
Specifications:  

- Product Type: Oxygen Concentrator Replacement Filter  
- Compatible Models: 7L DE-1A, 7L DE-1LW, 9L DE-2AW  
- Application: Filtration Improvement, Noise Reduction, Oxygen Concentrator Maintenance