Professional 3/8" Air Compressor Dryer with Desiccant Filter - 22 CFM, 150 PSI - ZN312E-3

Product Summary The Le Lematec ZN312E-3 (3/8" version) is a high-flow desiccant air dryer rated at 150 PSI and 22 CFM. 3/8" NPT connections for larger air lines. Uses replaceable desiccant beads with visual color-change saturation indicator. Price: ~$18. Factory direct from Le Lematec. Best for: Shops with 3/8" air lines needing high-flow moisture removal for spray painting and sandblasting. Heavy-Duty Air Compressor Filter — Industrial Moisture Separator Transform your air tool performance with the Professional ZN312E-3 Air Compressor Dryer. This industrial-grade 3/8" desiccant filter delivers exceptionally clean, dry air at 22 CFM capacity, making it perfect for automotive painting, pneumatic tools, and professional applications. Designed for reliability and efficiency, this air dryer features a high-performance filtration system that effectively removes moisture, oil, and contaminants without restricting airflow. The robust metal housing and precision-engineered connections ensure leak-free operation at pressures up to 150 PSI, while the smart color-changing indicator helps you monitor filter condition at a glance. Whether you're a professional automotive technician, industrial user, or serious DIY enthusiast, this air dryer provides the clean, dry air essential for achieving professional-quality results and protecting your valuable tools from moisture damage. Key Features and Benefits  Superior Performance Maximum flow rate of 22 CFM with minimal restriction Operating pressure range: 1-150 PSI Effective moisture, oil, and particle removal Professional-Grade Construction Durable zinc metal housing Premium polycarbonate desiccant bowl Reliable 3/8" male and female connections Smart Maintenance Design Visual color-change indicator for filter status Easy desiccant replacement system No tools required for maintenance Versatile Applications Ideal for automotive painting Perfect for pneumatic tools Suitable for industrial use Essential for precision applications Tool Protection Prevents moisture-related damage Extends tool lifespan Ensures consistent performance Eliminates contamination risks Technical Specifications: Capacity: 28g desiccant Connection Size: 3/8" inlet/outlet Maximum Pressure: 150 PSI Flow Rate: 22 CFM Housing Material: Zinc metal Bowl Material: Polycarbonate (PC) Package Includes: Air compressor dryer unit Premium desiccant beads Installation instructions Manufacturer warranty   Frequently Asked Questions Q: Why choose the 3/8-inch version over the 1/4-inch model? A: The 3/8-inch ZN312E-3 handles higher airflow with less pressure drop, making it ideal for tools requiring 8+ CFM like impact wrenches and large spray guns. The larger port size reduces restriction — critical for maintaining tool performance on high-demand equipment. Q: Can I regenerate the desiccant beads? A: Many desiccant types can be regenerated by spreading the beads on a baking sheet and heating at 250°F (120°C) for 2-3 hours until they return to their original color. Silica gel and indicating desiccant typically support 5-10 regeneration cycles before replacement. Q: How do I know when the desiccant needs replacing? A: The color-indicating desiccant beads change color as they absorb moisture — typically from blue/orange to pink/clear. Check the transparent viewing window regularly. When more than 50% of the beads have changed color, it is time to regenerate or replace them. Why Professionals Choose This Tool Desiccant Drying Technology: Chemical media absorbs water vapor that mechanical separators miss — delivers near-dry air for moisture-sensitive applications Color-Change Indicator: Desiccant changes color when saturated — tells you exactly when to replace the cartridge, no guesswork 22 CFM Capacity: High-flow 3/8" NPT model handles multiple tools or high-demand equipment simultaneously 150 PSI Rating: Industrial-grade pressure handling for professional shop and factory air systems What's in the Box ZN312E-3 desiccant air dryer (3/8" NPT) Replaceable desiccant cartridge Color-change moisture indicator 3/8" NPT fittings User manual Compatible With Air Compressors Any compressor up to 150 PSI, 22 CFM max flow rate Air Lines 3/8" NPT air piping — larger than standard 1/4" for higher flow Applications Spray painting, powder coating, plasma cutting, CNC machines, dental/medical air Ideal Applications: spray painting air prep, powder coating, plasma cutting, CNC air supply, dental air, moisture-critical applications How often do I need to replace the desiccant cartridge? Cartridge life depends on humidity, air usage, and whether you have an upstream water separator. In moderate humidity with a water separator installed upstream, expect 3-6 months. In high humidity without a pre-filter, replacement may be needed monthly. The color indicator makes monitoring easy. What is the difference between the 1/4" and 3/8" models? The 3/8" model (ZN312E-3) handles 22 CFM — enough for multiple tools or high-demand equipment. The 1/4" model is suited for single-tool or light-duty use. Choose based on your air line size and total CFM demand. Related Guides & Resources Complete FRL Unit Guide Pneumatic Tool Maintenance Guide Air Compressor Accessories Guide Related Categories → Air Filters → Air Regulators → All Air Tools Related Products & Guides You might also like ZN312 Inline Air Compressor Filter AI303-R1 Filter Regulator Combo Related guides How to Set Up an FRL Filtration System Complete Guide to Filter, Regulator & Lubricator (FRL) Units