Lincoln Electric
Lincoln Electric K3972-3 Welding Fume Extractor 95 CFM MERV 11 120V 60Hz
Portable 95 CFM fume extractor with MERV 11 HEPA filtration, carbon-brush motor, current sensor and multiple extraction settings for general welding ventilation
- MaterialHAWA
- TypeOthers
- 95 CFM airflow captures welding fumes at the source
- MERV 11 HEPA filtration traps fine particulate matter
- 80 dBA quiet operation reduces workshop noise levels
- 4 hp motor with carbon brush system delivers reliable suction
- Current sensor and airflow check maintain consistent extraction performance
Portable fume extractor for general welding
This Lincoln Electric K3972-3 extractor removes welding fumes at a rate of 95 CFM using a HEPA main filter rated MERV 11. It runs on 120 V 60 Hz power and draws 12 A from a 2.4 hp motor with a carbon brush system. The unit measures 29 in tall by 16 in wide by 17 in deep and includes an 8 ft extraction hose, HEPA filter and spare carbon brushes.
Suitable for single-operator stations needing
The 95 CFM airflow suits light-duty welding where a single extraction point is sufficient. It is not suited for multi-station shops or heavy-production cells that require higher capture volumes or larger duct networks. Operators needing lower noise than 80 dBA or a different voltage supply should consider other ventilation solutions.
Deciding specification: 95 CFM airflow
The 95 CFM rating determines whether the extractor can handle the fume volume produced at the welding point. If the process generates more contaminant than this flow can capture, the unit will not provide adequate ventilation regardless of filter quality or motor power.
Highlights
- 95 CFM airflow captures welding fumes at the source
- MERV 11 HEPA filtration traps fine particulate matter
- 80 dBA quiet operation reduces workshop noise levels
- 4 hp motor with carbon brush system delivers reliable suction
- Current sensor and airflow check maintain consistent extraction performance
Specifications
| Brand | LINCOLN ELECTRIC |
|---|---|
| Model | K3972-3 |
| Material | HAWA |
| Type | Others |
Questions about this item
Do I need a 120 V 60 Hz circuit rated for 12 A to run the K3972-3 extractor?
Yes, the unit draws 12 A at 120 V 60 Hz so the supply must support that load.
Can the 95 CFM airflow and MERV 11 filtration handle fumes from my older MIG welder?
The 95 CFM flow with MERV 11 and HEPA media is designed for general welding ventilation including MIG processes.
How do I confirm the system airflow check is working after I install the HEPA filter?
The built-in airflow indicator will show normal operation when the filter is seated and the motor runs at 2.4 hp.
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