THB 1/2-Inch Heavy Duty Particulate Filter Moisture Trap with Auto Drain

Overview

The THB 1/2-Inch Heavy Duty Particulate Filter Moisture Trap with Auto Drain is built for serious compressed air workflows. It sits in the line to remove liquids and debris, helping protect tools and compressor accessories from moisture and particulates. Designed for both low and high pressure systems, it supports a wide range of shop setups while delivering consistent airflow.

With a robust 140 CFM flow rate and a 175 PSI max input/output capacity, this unit handles common shop demands without forcing you to upgrade your entire system. The 5 micron filter element traps fine particulates while letting air pass through, so you can rely on cleaner air without sacrificing performance.

Key features that matter

• 175 PSI Max Output pressure, 175 PSI Max Input pressure
• 140 CFM flow rate for steady air delivery
• 5 micron filter element to capture fine debris
• 1/2" NPT air inlet and outlet ports for standard plumbing
• 1/8" NPT auto drain connection that empties moisture automatically
• Metal bowl with sight glass for at-a-glance moisture checks
• Wall mounting bracket included for space-saving installation
• 7.9" height and 3.10" square footprint with a 2.7 oz metal bowl
• Temperature rating from 41°F to 140°F for versatile environments

Why shop with THB for your air lines

Compressed air filters help shield your equipment from dust, dirt, oil and water. Dust and oil can accumulate in valves and motors, creating sticky residues that impact performance. This moisture trap is engineered to help reduce those risks, giving your tools a smoother, more reliable airflow path and making routine maintenance less time-consuming.

In everyday use, you’ll notice the practical benefits of a well-sealed line: a sight-glass view of moisture levels, a sturdy metal bowl that stands up to repeated drain cycles, and a compact footprint that fits on most workbenches or walls without cluttering the shop floor.

Installation at a glance

• Mount the unit using the included wall bracket for quick access
• Connect 1/2" NPT input and output ports to your compressor line
• Attach the auto drain to manage moisture without manual intervention

Notes: If your system regularly produces moisture or oil aerosols, adding a filter like this THB unit can be a practical step toward cleaner, more reliable air delivery. While not guaranteeing specific outcomes, many shops report smoother tool operation and reduced maintenance on connected equipment.