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 7500 Series Half Facepiece Respirator

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AR$164016

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In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Gear up with 3M 7502 — breathe easy, work smarter, stay protected!

FOG FREE VISION - Exhalation valve cover directs breath downward to minimize fogging on goggles & glasses
CUSTOM COMFORT FIT - Advanced silicone material with dual-mode adjustable harness for pressure-free wear
BREATHE EFFORTLESSLY ALL DAY - Proprietary CoolFlow valve reduces heat & moisture buildup for cool, dry comfort
VERSATILE FILTER COMPATIBILITY - Bayonet connection supports 3M 6000 Series cartridges & multiple particle filters
CERTIFIED INDUSTRIAL PROTECTION - NIOSH-approved to filter up to 10x PEL for gases, vapors & particulates

The 3M 7502 Reusable Respirator Half Facepiece is a NIOSH-approved, medium-sized industrial mask designed for superior respiratory protection. Crafted from durable, washable silicone, it features a CoolFlow valve for easier breathing and moisture control, a dual-mode adjustable harness for a secure, comfortable fit, and a valve cover that reduces fogging. Compatible with a wide range of 3M bayonet cartridges and filters, it’s ideal for professionals in painting, welding, construction, and more who demand reliable, long-lasting protection.

Specifications

Asin	B008MCUT86
Best Sellers Rank	#8,157 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #15 in Reusable Respirators
Brand Name	3M
Closure Type	Buckle
Color	Gray
Customer Reviews	4.7 4.7 out of 5 stars (2,956) 4.7 out of 5 stars
Filter Class	P100
Fit Type	Regular
Global Trade Identification Number	50051131370826
Import Designation	Made in the USA
Included Components	Half Facepiece Reusable Respirator
Item Dimensions D X W X H	8"D x 7"W x 4"H
Item Package Quantity	1
Item Type Name	reusable-respirator
Item Weight	6.4 ounces
Manufacturer	3M
Material	Plastic, Silicone
Material Features	Recyclable
Number Of Items	1
Part Number	051131370826
Product Style	Half Face Cover
Reusability	Reusable
Size	Medium
Special Features	Exhalation Valve, Reusable
Style Number	7502
Unit Count	1 Count
Warranty Description	As Labeled

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AR$164016

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered 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 Argentina.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.