Allegro 9904-HCW Deluxe Supplied Air Shield & Welding Helmet with HP Temperature Controller - Weld in Comfort, Breathe with Confidence
Designed for professionals who demand maximum protection and precision in high-heat environments, the Allegro 9904-HCW combines the durability of a full-face supplied-air shield with the functionality of a welding helmet, enhanced by an integrated High-Pressure (HP) Temperature Controller for personalized climate control. Whether you're welding, grinding, or working in hazardous atmospheres, this deluxe system delivers a steady flow of clean, cool air and top-tier head, eye, and respiratory protection. The adjustable headgear, impact-resistant shield, and flip-up welding lens give you total versatility, while the temperature controller ensures all-day comfort, even in the most extreme conditions.
Stay protected, stay cool, and stay focused with the Allegro 9904-HCW, your ultimate solution for safe, comfortable welding in the toughest conditions.
Type: Supplied Air Shield & Welding Helmet | Material: ABS | Dark Mode Shade: 5 to 14 | Inside Cover Plate: 9904-22V | Lens Coating: Anti-Fog | Lens Color: Clear | Lens Ext. Height (in.): 6.75 | Lens Ext. Thickness (in.): 0.08 | Lens Ext. Width (in.): 15 | Lens Type: Auto-Darkening | Light Mode Shade: 3 | Number of Sensors: 3 | Outside Cover Plate: 9904-22W | Power Type: Solar Powered Battery | SAR Pressure: High Pressure | Size: One Size | Viewing Area (sq. in.): 101.25 Shield and 9.3 Lens | Battery Type: Non-Replaceable Li Battery
Features:
- Portable and lightweight
- Made of ABS
- APF 1000
- Complies with ANSI Z89.1 Type 1 Class G for head protection
- ANSI Z87.1+ for face-shield/eye protection
- NIOSH-approved
- Flame-retardant downtube
- Welding shield w/ ADF lens,
- shade 9-13
- Made in USA
- Provides all-in-one head, eye, face and respiratory protection against airborne contaminants including hexavalent chromium applications, flying debris, sparks, chemical and molten metal splashes
- The welding shield flips allowing user to grind and clean metal looking through a clear ANSI face shield
- Equipped with variable shade, auto-darkening lens shade 9-13, ideal for all welding applications
- NIOSH-approved
- ANSI-certified for added worker safety and product confidence
- Lightweight, low profile and superbly balanced for ultimate comfort
- It delivers a constant and powerful supply of clean purified air
- Multiple configurations make this the ideal choice for a variety of applications
Application:
- Metalworking
- Welding
- Industrial
- Manufacturing
Technical Tips:
- Pair with respirator wipes

Looking for more information about Walter Shield & Welding Helmet? Click here to view the Catalog
For help choosing the correct Walter Surface Technologies Shield & Welding Helmets for your application, please call (800) 608-5210 or email info@intlairtool.com
- Type
- Supplied Air Shield & Welding Helmet
- Material
- ABS
- Dark Mode Shade
- 5 to 14
- Inside Cover Plate
- 9904-22V
- Lens Coating
- Anti-Fog
- Lens Color
- Clear
- Lens Ext. Height (in.)
- 6.75
- Lens Ext. Thickness (in.)
- 0.08
- Lens Ext. Width (in.)
- 15
- Lens Type
- Auto-Darkening
- Light Mode Shade
- 3
- Number of Sensors
- 3
- Outside Cover Plate
- 9904-22W
- Power Type
- Solar Powered Battery
- SAR Pressure
- High Pressure
- Size
- One Size
- Viewing Area (sq. in.)
- 101.25 Shield and 9.3 Lens
- Battery Type
- Non-Replaceable Li Battery
