{"product_id":"professional-3-8-air-compressor-dryer-with-desiccant-filter-22-cfm-150-psi-zn312e-3","title":"Professional 3\/8\" Air Compressor Dryer with Desiccant Filter - 22 CFM, 150 PSI - ZN312E-3","description":"\u003cdiv class=\"product-summary-tldr\" style=\"margin-bottom:20px;padding:16px;background:#f0fdf4;border-left:4px solid #16a34a;border-radius:0 8px 8px 0;\"\u003e\n\u003cp style=\"margin:0 0 8px 0;font-weight:600;color:#15803d;\"\u003eProduct Summary\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px 0;\"\u003eThe 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.\u003c\/p\u003e\n\u003cp style=\"margin:0;font-style:italic;color:#166534;\"\u003eBest for: Shops with 3\/8\" air lines needing high-flow moisture removal for spray painting and sandblasting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHeavy-Duty Air Compressor Filter — Industrial Moisture Separator\u003c\/h2\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003e\u003cstrong\u003eTransform your air tool performance with the Professional ZN312E-3 Air Compressor Dryer.\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003eDesigned 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.\u003c\/p\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003eWhether 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.\u003c\/p\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003e\u003cstrong\u003eKey Features and Benefits \u003c\/strong\u003e\u003c\/p\u003e\n\u003col class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-decimal space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eSuperior Performance\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eMaximum flow rate of 22 CFM with minimal restriction\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eOperating pressure range: 1-150 PSI\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eEffective moisture, oil, and particle removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-decimal space-y-2 pl-8\" start=\"2\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eProfessional-Grade Construction\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eDurable zinc metal housing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePremium polycarbonate desiccant bowl\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eReliable 3\/8\" male and female connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-decimal space-y-2 pl-8\" start=\"3\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eSmart Maintenance Design\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eVisual color-change indicator for filter status\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eEasy desiccant replacement system\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eNo tools required for maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-decimal space-y-2 pl-8\" start=\"4\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eVersatile Applications\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eIdeal for automotive painting\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePerfect for pneumatic tools\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eSuitable for industrial use\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eEssential for precision applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-decimal space-y-2 pl-8\" start=\"5\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eTool Protection\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePrevents moisture-related damage\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eExtends tool lifespan\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eEnsures consistent performance\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eEliminates contamination risks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003eTechnical Specifications:\u003c\/p\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eCapacity: 28g desiccant\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eConnection Size: 3\/8\" inlet\/outlet\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eMaximum Pressure: 150 PSI\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eFlow Rate: 22 CFM\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eHousing Material: Zinc metal\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eBowl Material: Polycarbonate (PC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003ePackage Includes:\u003c\/p\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eAir compressor dryer unit\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePremium desiccant beads\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eInstallation instructions\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eManufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003e \u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose the 3\/8-inch version over the 1\/4-inch model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I regenerate the desiccant beads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when the desiccant needs replacing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003cdiv class=\"enhanced-features\" style=\"margin-top:20px;\"\u003e\n\u003ch3 style=\"color:#0f172a;font-size:1.1em;\"\u003eWhy Professionals Choose This Tool\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eDesiccant Drying Technology:\u003c\/strong\u003e Chemical media absorbs water vapor that mechanical separators miss — delivers near-dry air for moisture-sensitive applications\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eColor-Change Indicator:\u003c\/strong\u003e Desiccant changes color when saturated — tells you exactly when to replace the cartridge, no guesswork\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003e22 CFM Capacity:\u003c\/strong\u003e High-flow 3\/8\" NPT model handles multiple tools or high-demand equipment simultaneously\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003e150 PSI Rating:\u003c\/strong\u003e Industrial-grade pressure handling for professional shop and factory air systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"whats-in-box\" style=\"margin-top:25px;padding:18px;background:#fefce8;border:1px solid #eab308;border-radius:10px;\"\u003e\n\u003ch3 style=\"margin-top:0;color:#a16207;font-size:1.1em;\"\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003eZN312E-3 desiccant air dryer (3\/8\" NPT)\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003eReplaceable desiccant cartridge\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003eColor-change moisture indicator\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003e3\/8\" NPT fittings\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"compatible-with\" style=\"margin-top:20px;padding:18px;background:#eff6ff;border:1px solid #3b82f6;border-radius:10px;\"\u003e\n\u003ch3 style=\"margin-top:0;color:#1d4ed8;font-size:1.1em;\"\u003eCompatible With\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 12px 6px 0;font-weight:600;color:#1e40af;vertical-align:top;white-space:nowrap;\"\u003eAir Compressors\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;color:#1e3a5f;\"\u003eAny compressor up to 150 PSI, 22 CFM max flow rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 12px 6px 0;font-weight:600;color:#1e40af;vertical-align:top;white-space:nowrap;\"\u003eAir Lines\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;color:#1e3a5f;\"\u003e3\/8\" NPT air piping — larger than standard 1\/4\" for higher flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 12px 6px 0;font-weight:600;color:#1e40af;vertical-align:top;white-space:nowrap;\"\u003eApplications\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;color:#1e3a5f;\"\u003eSpray painting, powder coating, plasma cutting, CNC machines, dental\/medical air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use-cases\" style=\"margin-top:15px;padding:12px;background:#f0fdf4;border-radius:8px;\"\u003e\u003cp style=\"margin:0;font-size:0.95em;\"\u003e\u003cstrong\u003eIdeal Applications:\u003c\/strong\u003e spray painting air prep, powder coating, plasma cutting, CNC air supply, dental air, moisture-critical applications\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"extra-faqs\" style=\"margin-top:20px;\"\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:15px;\"\u003e\n\u003ch4 style=\"margin-bottom:5px;color:#1e293b;\"\u003eHow often do I need to replace the desiccant cartridge?\u003c\/h4\u003e\n\u003cp style=\"margin:0;color:#475569;\"\u003eCartridge 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.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:15px;\"\u003e\n\u003ch4 style=\"margin-bottom:5px;color:#1e293b;\"\u003eWhat is the difference between the 1\/4\" and 3\/8\" models?\u003c\/h4\u003e\n\u003cp style=\"margin:0;color:#475569;\"\u003eThe 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.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eRelated Guides \u0026amp; Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/frl-filter-regulator-lubricator-guide\"\u003eComplete FRL Unit Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/pneumatic-tool-maintenance-care-guide\"\u003ePneumatic Tool Maintenance Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/air-compressor-accessories-buying-guide\"\u003eAir Compressor Accessories Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"related-products-links\" style=\"margin-top:20px;padding:15px;background:#f8f9fa;border-radius:8px;\"\u003e\n\u003ch3\u003eRelated Categories\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\u003ca href=\"\/collections\/filters\" style=\"color:#2563eb;text-decoration:none;\"\u003e→ Air Filters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\u003ca href=\"\/collections\/regulators\" style=\"color:#2563eb;text-decoration:none;\"\u003e→ Air Regulators\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\u003ca href=\"\/collections\/air-tools\" style=\"color:#2563eb;text-decoration:none;\"\u003e→ All Air Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pat-related-content\" data-pat-added=\"2026-05-07\" style=\"margin-top:30px;padding:20px;background:#f8fafc;border-radius:10px;border:1px solid #cbd5e1;\"\u003e\n\u003ch3 style=\"margin-top:0;margin-bottom:14px;color:#0f172a;font-size:1.15em;\"\u003eRelated Products \u0026amp; Guides\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:24px;\"\u003e\n\u003cdiv style=\"flex:1 1 240px;min-width:200px;\"\u003e\n\u003cp style=\"margin:0 0 10px 0;font-weight:600;color:#334155;\"\u003eYou might also like\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:18px;color:#475569;list-style:disc;\"\u003e\n\u003cli style=\"margin-bottom:6px;\"\u003e\u003ca href=\"\/products\/inline-air-compressor-oil-water-separator-filter-zn312\" style=\"color:#1d4ed8;text-decoration:none;font-weight:500;\"\u003eZN312 Inline Air Compressor Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:6px;\"\u003e\u003ca href=\"\/products\/air-filter-regulator-compressor-oil-water-separator-combo-with-gauge\" style=\"color:#1d4ed8;text-decoration:none;font-weight:500;\"\u003eAI303-R1 Filter Regulator Combo\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 240px;min-width:200px;\"\u003e\n\u003cp style=\"margin:0 0 10px 0;font-weight:600;color:#334155;\"\u003eRelated guides\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:18px;color:#475569;list-style:disc;\"\u003e\n\u003cli style=\"margin-bottom:6px;\"\u003e\u003ca href=\"\/blogs\/news\/how-to-set-up-an-air-compressor-filter-regulator-lubricator-frl-system\" style=\"color:#1d4ed8;text-decoration:none;font-weight:500;\"\u003eHow to Set Up an FRL Filtration System\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:6px;\"\u003e\u003ca href=\"\/blogs\/news\/frl-filter-regulator-lubricator-guide\" style=\"color:#1d4ed8;text-decoration:none;font-weight:500;\"\u003eComplete Guide to Filter, Regulator \u0026amp; Lubricator (FRL) Units\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pro Air Tools","offers":[{"title":"Default Title","offer_id":45631069618230,"sku":"ZN312E-3","price":18.29,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/6393\/8614\/files\/lematec-3-8-compressed-air-dryer-desiccant-filter-system-hero_webp.jpg?v=1777844033","url":"https:\/\/www.gmserviceguy.shop\/products\/professional-3-8-air-compressor-dryer-with-desiccant-filter-22-cfm-150-psi-zn312e-3","provider":"Gm Service Guy","version":"1.0","type":"link"}