Keep airflow strong & protect your ESP cells Maintain Peak Air Purification Performance with the Official OEM Pre-Filter Ensure your Smokemaster X-11Q air cleaner operates at optimal efficiency by replacing its pre-filter with this genuine OEM part. Designed specifically for the X-11Q model, this washable metal mesh pre-filter captures large airborne particles like hair, lint, and pollen, preventing them from entering the electronic cell. Regular maintenance and timely replacement of the pre-filter not only prolong the life of your air cleaner but also maintain superior air quality in your environment. Key Features & Benefits OEM Quality Assurance: Manufactured by Air Quality Engineering, ensuring perfect compatibility and performance with the Smokemaster X-11Q unit. Efficient Particle Capture: Traps larger particles, safeguarding the electronic cell and enhancing overall filtration efficiency. Washable & Reusable: Constructed from durable metal mesh, allowing for multiple cleanings before replacement is necessary. Cost-Effective Maintenance: Regular cleaning extends the filter's lifespan, reducing the frequency of replacements and associated costs. Easy Installation: Designed for straightforward replacement, minimizing downtime and ensuring continuous air purification. For use in the following Commercial Air Cleaners: Smokemaster X-11Q Flush Mount Commercial Electronic Smoke Eater Smokemaster X-11Q-ECig Flush Mount Commercial Electronic Smoke Eater for Vape Shops