Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 2 - Jul 7
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Description
WWII U.S. Prototype M-1 Helmet Liner with Rayon Suspension (1942)Description This is a superbly rare WWII U. S. M 1 helmet liner possibly the only one of its kind in existence. Due to the inadequacies of the paper liners produced by Hawley Products Company and General Fibre Company, alternative materials were sought almost immediately. In early 1942, numerous companies submitted their high pressure prototype liners for consideration, with only Mine Safety Appliances Company, Westinghouse Electric & Manufacturing
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- Free Standard Shipping on $100+ Orders to the USA.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 78 reviews
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Product Reviews
★★★★★ 5
Great filter!!
Great filter, easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2025
★★★★★ 5
Price
Very nice active coal
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Reviewed in the United States on February 6, 2025
★★★★★ 2
Weird Smell
Good for but the carbon has a weird smell. I have a sensitive nose and I'm not a fan. Going to replace with a regular filter without the activated carbon.
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Reviewed in the United States on October 1, 2025
★★★★★ 5
Good quality
Fits perfectly
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Reviewed in the United States on February 5, 2026
★★★★★ 5
Perfect fit for boyh filters
Watched a youtube video, easy changed both filters in 10 minutes.
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Reviewed in the United States on January 18, 2026
