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Product Summary
The Le Lematec AI303 is a 150 PSI inline air filter that removes oil, water, and dirt from compressed air. Aluminum construction with auto-drain and visual inspection bowl. 1/4" NPT connections. Price: ~$17. Factory direct from Le Lematec.
Best for: Protecting air tools and spray guns from moisture damage. Essential for any compressed air system.
Protect your air tools with the AI303 Professional Inline Filter System. This premium separator combines a 1-micron reusable filter, one-way safety valve, and push-button drain in a durable aluminum body with brass fittings. Designed for workshops demanding clean, dry air and reliable contamination removal across a 2-150 PSI range.
Key Features & Benefits:
Technical Specifications:
Ideal for spray systems, plasma cutters, and air suspension. Experience professional-grade air quality - Add to Cart now to protect your equipment investment.
Professional Performance Guarantee: Workshop-proven and trusted by automotive professionals.
The inline air filter
system is essential for maintaining clean and dry compressed air. Using advanced filtering technology, it traps harmful contaminants such as moisture and oil, ensuring your equipment operates efficiently. As a result, your air tools and machinery function better, which leads to increased productivity. This filter is perfect for various industries, including automotive repair and woodworking.
Constructed from high-quality aluminum, this inline air filter is designed to withstand pressures up to 150 PSI. Its robust build ensures long-lasting performance, even in demanding environments. Plus, with a built-in drain, you can easily remove accumulated moisture without interrupting your workflow. Consequently, you spend less time maintaining your equipment and more time focusing on your projects.
Installation of this air filter is straightforward, making it accessible for users of all skill levels. Just connect it to your existing system, and you're ready to go! Moreover, maintenance is a breeze—regularly check the filter and drain it as needed to keep your air supply clean. This simplicity not only saves you time but also ensures your air compressor system remains free from potential issues caused by contaminants.
Q: How often should I replace the inline air filter element?
A: The AI303 uses a reusable 1-micron filter element. Clean it every 200-300 hours of use by rinsing with warm soapy water and allowing it to fully dry. Replace only when the filter shows visible damage or reduced airflow.
Q: Can I use the AI303 with a plasma cutter?
A: Yes, the AI303 is excellent for plasma cutting applications. Its 1-micron filtration removes moisture and oil that can contaminate the plasma arc, resulting in cleaner cuts and longer consumable life.
Q: What's the difference between the AI303, AI303-R1, and AI303-R2?
A: The AI303 is a standalone filter/separator. The AI303-R1 adds an integrated pressure regulator with analog gauge. The AI303-R2 adds a digital pressure regulator with LCD display. Choose based on whether you need filtration only or filtration plus pressure control.
| Air Compressors | Any compressor up to 150 PSI |
| Air Lines | Standard 1/4" NPT air hose systems |
| Air Tools | All pneumatic tools, spray guns, sanders, impact wrenches |
Ideal Applications: general air filtration, portable shop use, moisture and oil removal, tool protection, point-of-use filtering
Under normal use, replace the filter element every 6-12 months or when you notice reduced airflow. In dusty or high-humidity environments, check monthly. A dirty filter restricts airflow and reduces tool performance.
Yes. Professional setups often use a water separator first (AI303), then a desiccant dryer (ZN312-D) for maximum air quality. Each stage removes different contaminants for progressively cleaner air.
The AI303 separator filter uses a centrifugal separation process combined with a 5-micron filter element. Compressed air enters and spins through the chamber, separating heavier oil and water droplets from the air stream. The remaining particles are caught by the filter element. Clean, dry air exits to your tools while contaminants collect in the drain bowl below.
At Pro Air Tools, we ensure that we are providing the best quality products from the most trusted hand tool brand. Thus, we stand behind all of our products and quality control 100%.
In the event that the products you ordered from us did not meet your expectations, we will gladly offer you our 30 Months Satisfaction Guarantee Request, no questions asked and no restocking fee!
If within 30 Months from your purchase, you are not fully satisfied with any of the products, you may request any of the following:
Proof of purchase from Pro Air Tools is required for all return, refund, and exchange requests. We also require anyone who wishes to return a product, or request a refund, to fill out our Return/Refund Form. We will notify you via email or phone once we process your return/refund request. Refunds will be credited to the original payment method.
With regards to product exchanges, please note that we only accept this type of request if the product delivered to you is defective or damaged. If a customer opts to request a product exchange with “change of mind” as the reason, the product must be returned in its original packaging. The product should not be used or installed in any manner. All return shipping costs will be shouldered by the customer. Return unused product to our office address at 103 Edwin Pl. Asheville, N.C. 28801.
If you have any question regarding our return/refund and exchange policy that was not answered here, feel free to reach out to us via:
Email at info@proairtools.com
A phone call at +1 828 398 0334
PO Box 8367
725 MERRIMON AVE
ASHEVILLE, NC 28804-2447
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