How do you figure your size?

I spoke with 3M tech support, and the guy explained it like this: "70% of users will fit the size medium. 23% will fit size large. The rest will fall in the small category." I assume that the reason 93% fit medium to large because men typically are the users. I am 6', 225lb guy that wears a medium. My 5'4" wife uses small. I can almost wear a large, but larges are set for people with long faces.

What filters come with it?

None - you order the filters separately. There are several/many different filters depending on what your application is. Simply sawdust? Chemical fumes? Buy the filters that fit your use.

Even after reading the q&a i'm still confused as to which filter i need. i just need dust particle filtration for woodworking. shape/model #?

A set of the 3M P100 filters work great. I use the 2091 model for woodworking. The P is for particulate and the 100 means it filters 100%. For anything with fumes like finishes I use a paint set of filters like the 3M 6001

What is the difference between this mask and the 3m(tm) half facepiece respirator assembly 6291 ?

This one is made with silicone that seals against your face which is more comfortable and durable. If you plan on wearing it often or for long periods of time get this one.

3m Reusable Respirator Half Facepiece 7501 Niosh Small

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

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₨1270

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Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Stay sharp, breathe easy, and lead the safety game.

FOG FREE VISION - Exhalation valve cover directs breath downward to reduce fogging and keep your workspace clear.
CUSTOM COMFORT FIT - Advanced silicone face seal and dual-mode head harness minimize pressure points and allow quick, one-hand adjustments.
VERSATILE APPLICATION READY - Ideal for painting, welding, chemical handling, construction, mining, and more—professional-grade protection you can rely on.
BREATHE EFFORTLESSLY ALL DAY - Proprietary CoolFlow valve reduces heat and moisture buildup for cool, dry comfort during extended wear.
CERTIFIED INDUSTRIAL PROTECTION - NIOSH-approved to filter hazardous airborne contaminants with trusted 3M cartridges and filters.

The 3M 7501 Reusable Respirator Half Facepiece combines NIOSH-certified protection with advanced silicone comfort and a CoolFlow valve for easier breathing. Designed for professionals across industries like construction, welding, and chemical handling, it offers durable, reusable respiratory defense with quick adjustments and fog reduction—ensuring you stay productive and protected in demanding environments.

Specifications

ASIN	B008MCUS28
Best Sellers Rank	#7,098 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #14 in Reusable Respirators
Brand Name	3M
Color	Gray
Customer Reviews	4.7 4.7 out of 5 stars (1,426)
Fit Type	Regular
Global Trade Identification Number	50051131370819
Import Designation	Made in the USA
Included Components	Mask
Item Package Quantity	1
Item Type Name	reusable-respirator
Item Weight	91 g
Manufacturer	3M
Material	Silicone
Material Features	Recyclable
Number of Items	1
Part Number	051131370819
Product Style	Half Face Cover
Reusability	Reusable
Size	Small
Special Features	Exhalation Valve, Reusable
Style Number	7501
Unit Count	1 Count
Warranty Description	Manufacturer

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₨1270

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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3M Reusable Respirator Half Facepiece 7501, NIOSH, Small

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Description

Specifications

Common Questions