Half Inch NPT Air Dryer for Compressors, Four Stage Water Separator With Brass Filter And Coalescing Filter, Dual Desiccant Dryers Plus Air Regulator, Semi Auto Drain, Heavy Duty Pro Grade Blue

Four-Stage 1/2 In NPT Air Dryer for Compressors
✔️ 4-stage filtration with brass 5µm filter, coalescing stage, desiccant (Single unit)

The Half Inch NPT Air Dryer is a rugged inline filtration and drying unit designed for compressors. It features a brass 5 micron filter, a high-precision coalescing stage, and dual desiccant drying stages with a metal bowl and an indicator bead that changes color when replacement is due. Includes a built-in air regulator and semi auto drain, ideal for shop, garage, and industrial air lines up to 150 psi (1.0 MPa).

✅ 1/2 in NPT connections for easy integration
✅ Stage 1: brass 5 micron filter removes 98.63% of oil and water impurities
✅ Stage 2: high-precision coalescing filter removes 99.68% of water and impurities
✅ Stages 3 & 4: desiccant drying remove 99.99% of moisture; beads turn blue to red when replacement is needed
✅ Desiccant drying with dual beads and a metal bowl for durability
✅ Zinc alloy overflow valve seats for corrosion resistance
✅ Semi-auto drain and built-in regulator simplify operation
✅ Heavy-duty pro-grade blue housing for long service life

💡 What is a handy way to keep air clean and dry from a 1/2 in NPT compressor?

Short answer: using a dedicated four-stage dryer that combines filtration and desiccation to remove oil and moisture from the supply.

- Improves tool life and finish quality by removing moisture and oil in the line
- Fits standard 1/2 in NPT systems for easy upgrade
- Helps prevent rust, corrosion, and moisture traps in lines
- Ideal for spray painting, woodworking, and pneumatic tools where clean air matters
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