Does anyone know how long these cartridges last? Or, how to determine if they are still good for filtering and how to do that?

I store my mask w/the filters in a zip lock bag, after I clean the mask inside with rubbing alcohol. No idea how long they last, nor how to tell if they are bad.

R51a suitable for protection from mold spores

it's not advertised for that. It's for paint and similar chemicals. Click the link to the left for details from the masnufacturer. There are air purifiers to deal with mold and probably masks.

Can this be used to prevent ingestion of respiratory aerosols?

These Cartridges are used for protection from Organic Vapors. These particular filters use Carbon to filter.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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AO Safety Replacement Chemical Cartridge R51A (51475-00000)

Product ID: 114950595

Details

Brand
AOSafety
Color
Silver
Model Name
P51A

🔄Easy replacement for AO Smith respirators

⚗️Effective against paint, pesticide & solvent vapors

🛡️NIOSH-approved dual cartridge protection

Description

🛡️ Stay ahead of hazards with AO Safety’s trusted chemical cartridge replacements!

DUAL CARTRIDGE PACK - Two cartridges per pack mean you’re always ready with fresh filters—never caught unprepared.
LIGHTWEIGHT DURABLE - At just 1.6 pounds, these silver cartridges combine portability with robust construction for long-lasting use.
BROAD CHEMICAL DEFENSE - Specifically engineered to filter paint, pesticide, solvent, glue, and thinner vapors—keeping you safe on the job.
SEAMLESS COMPATIBILITY - Designed as exact replacements for AO Smith respirators models 95110 and 95115, no compromises on fit or function.
CERTIFIED SAFETY ASSURANCE - NIOSH-approved cartridges ensure trusted respiratory protection for demanding work environments.

The AO Safety Replacement Chemical Cartridge R51A offers NIOSH-approved dual cartridges designed for AO Smith respirators (models 95110 and 95115). Engineered to protect against paint, pesticide, solvent, glue, and thinner vapors, these cartridges provide reliable respiratory defense in industrial and professional settings. Sold in packs of two, they ensure seamless replacement without compromising safety or comfort.

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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ASIN	B0093CR4IM
Brand Name	AOSafety
Color	Silver
Customer Reviews	4.5 4.5 out of 5 stars (19)
Item Weight	1.6 Pounds
Manufacturer	Aearo Company
Manufacturer Part Number	12672
Model Name	P51A
Model Number	95087

AO Safety Replacement Chemical Cartridge R51A (51475-00000)

Details

Details

Description

Specifications

Common Questions