★★★★★ 5
It fits
Fit my car perfectly. Hopefully it lasts longer than normal filters.
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Reviewed in the United States on March 26, 2026
Inert .303 British Round – RL 1938 Headstamp (Royal Laboratory, Woolwich, UK)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Inert .303 British Round – RL 1938 Headstamp (Royal Laboratory, Woolwich, UK)This is an inert . 303 British cartridge, manufactured in 1938 by RL Royal Laboratory, Woolwich Arsenal, UK. deactivated and UKlegal, it is completely safe for handling, display, or educational purposes. The RL 38 headstamp identifies its pre World War II British manufacture, making it an authentic example of Royal Laboratory ordnance production. Ideal for collectors of British military ammunition, historians, or anyone building a reference display,
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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.
- To process your return/exchange, please contact us at [email protected]
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4.0 ★★★★★
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Product Reviews
★★★★★ 4
Air filter
Easy to install, correct fit
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Reviewed in the United States on June 27, 2023
★★★★★ 5
Worth it!
Perfect fit for my 23 MDX, easy to install and great value for money. Dealership quoted me a ridiculous amount to replace the air filter. I would recommend everyone to DIY. Bought it together with the cabin air filter. Will definitely keep an eye on longevity. These are washable so probably wont need to buy for at least a couple years.
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Reviewed in the United States on November 10, 2025
★★★★★ 5
Fit
Size: 8.8" x 9.3" x 1.1"
Product looks and works well
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Easy installation
Size: 8.8" x 9.3" x 1.1"
It fit my 2011 Honda accord coupe 👍🏼
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Reviewed in the United States on March 15, 2026
