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.

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3M Reusable Respirator Half Facepiece 7502, NIOSH, Medium | 3M Cool Flow Valve, Dual Airline Supplied Air Compatible, Integrated Dropdown Suspension, Bayonet Connections

3M Reusable Respirator Half Facepiece 7502, NIOSH, Medium | 3M Cool Flow Valve, Dual Airline Supplied Air Compatible, Integrated Dropdown Suspension, Bayonet Connections

Product ID: 2152648

Details

Brand
3M
Color
Gray
Filter Class
P100
Number of Items
1
Size
Medium

⚙️Durable silicone material

❄️3M Cool Flow valve for breathability

🛡️NIOSH-approved safety

¥12580

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Description

🛡️ Breathe Boldly, Work Confidently — The Pro’s Choice in Respiratory Safety

COMFORT MEETS DURABILITY - Advanced silicone face seal and integrated dropdown suspension reduce pressure points for all-day wear without fatigue.
EFFORTLESS BREATHABILITY - Proprietary Cool Flow valve minimizes heat & moisture buildup, keeping you cool and focused during long shifts.
QUICK ADJUST HEAD HARNESS - Dual-mode, one-hand quick latch design for seamless on/off transitions—stay productive without missing a beat.
CERTIFIED INDUSTRIAL PROTECTION - NIOSH-approved to reduce airborne contaminants with 3M cartridges & filters—trusted safety for high-stakes environments.
VERSATILE BAYONET COMPATIBILITY - Works with 3M 6000 Series cartridges & multiple filter series for customizable protection across industries.

The 3M 7502 Reusable Respirator Half Facepiece combines NIOSH-certified protection with advanced silicone comfort and a proprietary Cool Flow valve to reduce heat and moisture. Designed for professional use in demanding industrial settings, it features a quick-adjust head harness and bayonet connections compatible with a wide range of 3M cartridges and filters, ensuring customizable, durable respiratory defense for millennial managers who prioritize safety without compromising comfort.

Specifications

ASIN	B008MCUT86
Best Sellers Rank	#4,676 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #11 in Reusable Respirators
Brand Name	3M
Closure Type	Buckle
Color	Gray
Customer Reviews	4.6 4.6 out of 5 stars (2,948)
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	30"D x 8"W x 6"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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¥12580

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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