The 3M S-657 Hood is a practical and cost-effective powered air solution, offering comprehensive head, face, neck, and shoulder protection. Its double shroud design allows wearers to select a preferred respiratory seal, and the inner shroud can be tucked into a shirt or protective coverall to channel excess air over the body for added comfort. The hood also provides eye and face protection to EN166 standards for liquid splash and low-energy impact (grade F).
Key Features:
• Double shroud design for customizable respiratory seal.
• Covers head, face, neck, and shoulders.
• Eye and face protection: EN166 – liquid splash, low energy impact (grade F).
• Manufactured from general-purpose fabric, cost-effective and practical.
• Compatible with 3M Powered and Supplied Air Systems.
Assigned Protection Factor (APF) with 3M Systems:
• Jupiter APF = 40.
• Dustmaster APF = 10.
• TR-300 APF = 40.
• V-500 APF = 40.
APF values are detailed in HSE HSG53.

