Professional Inline Air Compressor Filter - 150 PSI Oil & Water Separator with Auto Drain (ZN312)

Product Summary The Le Lematec ZN312 is a 150 PSI inline air compressor filter with automatic drain. Removes oil, water, and particulates from compressed air lines. Clear bowl for visual inspection. 1/4" NPT connections. Price: ~$17. Factory direct from Le Lematec. Best for: Basic compressed air filtration — install before your spray gun or air tool to protect against moisture and oil contamination. Inline Air Compressor Filter for Optimal Performance Transform your compressed air quality with the ZN312 Professional Inline Filter. This high-performance separator features a 1-micron reusable filter, push-button drain valve, and broad 2-150 PSI operating range. Built with premium zinc construction and one-way safety valve, it's the perfect solution for protecting your air tools and ensuring optimal performance. Key Features & Benefits: Superior Filtration: 1-micron filter removes oil and water contaminants Quick Maintenance: Push-button drain valve for easy service Safety Design: One-way valve prevents dangerous backflow Versatile Range: Operates from 2-150 PSI for all applications Premium Build: Zinc construction with steel drain valve Universal Fit: Standard ¼" NPT connections Tool Protection: Extends air tool life and performance Technical Specifications: Operating Pressure: 2-150 PSI (90 PSI optimal) Filter Type: 1-micron reusable Material: Zinc body, steel valve Connection: ¼" NPT Features: Push-button drain, one-way valve Essential for spray painting, sandblasting, and pneumatic tools. Ensure clean, dry air delivery - Add to Cart now to protect your air system investment. Professional Performance Guarantee: Workshop-tested for reliable contamination removal. Exceptional Filtration Capabilities The Inline Air Compressor Filter is designed specifically to remove oil and water from compressed air systems. It operates effectively at pressures up to 150 PSI, ensuring that your air tools remain clean and efficient. By using this filter, you can prevent moisture from entering your air compressor, which can lead to rust and damage. This is crucial for maintaining the longevity of your equipment and enhancing the performance of your tools. Innovative Auto Drain Feature One significant advantage of the Inline Air Compressor Filter is its automatic drainage system. This feature automatically expels accumulated water without any manual intervention. Therefore, it saves you time and ensures that the filter operates optimally without clogging. Regular maintenance is reduced because the filter constantly drains excess moisture, allowing you to focus on your work instead. Easy Installation and Maintenance The Inline Air Compressor Filter is designed for easy installation, making it a practical choice for both professionals and DIY enthusiasts. It connects seamlessly into your existing air compressor system, ensuring minimal downtime. Maintenance is straightforward; check filters regularly and replace them as needed to ensure consistent air quality. Because of its user-friendly design, you can maintain your air compressor system without a hassle. Frequently Asked Questions Q: How often should I drain the water separator? A: Drain the ZN312 before each use session and during extended operation in humid conditions. The transparent bowl lets you visually monitor moisture accumulation. In high-humidity environments, you may need to drain every 1-2 hours of continuous use. Q: What's the difference between the ZN312 and the ZN312E-3? A: The ZN312 is a standard inline filter with oil/water separation and auto drain. The ZN312E-3 adds a desiccant filter stage that absorbs moisture vapor — providing much drier air than mechanical separation alone. Choose the ZN312E-3 for spray painting and moisture-sensitive applications. Q: Can I install multiple filters in series? A: Yes, installing filters in series improves air quality progressively. A common setup is: ZN312 first (removes bulk water and large particles), followed by a desiccant dryer (ZN312E-3 or ZN312-D-C1) for ultra-dry air. This two-stage approach extends desiccant life significantly. Why Professionals Choose This Tool Auto-Drain Design: Automatically expels collected water — no manual draining required Oil & Water Separation: Centrifugal element removes both oil mist and water droplets from compressed air 150 PSI Rating: Handles standard industrial and home compressor output Transparent Bowl: Visual inspection of contamination level without disassembly What's in the Box ZN312 inline air filter Automatic drain mechanism Mounting bracket 1/4" NPT fittings User manual Compatible With Air Compressors Any compressor up to 150 PSI Installation Inline in any 1/4" NPT air line Air Tools Protects all downstream tools from moisture and particulates Ideal Applications: permanent air line installation, set-and-forget filtration, shop air protection, moisture removal, oil separation What is the difference between the ZN312 and AI303? Both are 1/4" NPT inline filters at 150 PSI. The ZN312 features automatic draining and is designed for set-and-forget installation. The AI303 has manual drain and is slightly more compact. Choose the ZN312 for permanent installation; choose the AI303 for portable or temporary setups. How effective is the auto-drain feature? The auto-drain activates when accumulated water reaches a threshold level. It works well for continuous-use environments. In light-use shops, you may still want to manually check periodically, especially in humid conditions. Is this the same as an air compressor moisture trap? Yes, the ZN312 functions as both a moisture trap and oil separator for air compressors. It traps condensed water (moisture) and oil mist from your compressed air line before they reach your tools. The auto-drain feature means trapped moisture is released automatically, unlike basic moisture traps that require manual draining. 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