---
product_id: 358524808
title: "Rugged Comfort Half Facepiece Reusable Respirator 6503/49491, Cool Flow Valve, Silicone, Welding, Sanding, Cleaning, Grinding, Assembly, Machine Operations, Large, Gray/Teal"
brand: "3m"
price: "¥11260"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/358524808-rugged-comfort-half-facepiece-reusable-respirator-6503-49491-cool-flow
store_origin: JP
region: Japan
---

# Low profile for wider view Cool Flow Valve reduces heat Durable silicone seal Rugged Comfort Half Facepiece Reusable Respirator 6503/49491, Cool Flow Valve, Silicone, Welding, Sanding, Cleaning, Grinding, Assembly, Machine Operations, Large, Gray/Teal

**Brand:** 3m
**Price:** ¥11260
**Availability:** ✅ In Stock

## Summary

> 🛠️ Gear up with comfort and clarity – breathe better, work smarter!

## Quick Answers

- **What is this?** Rugged Comfort Half Facepiece Reusable Respirator 6503/49491, Cool Flow Valve, Silicone, Welding, Sanding, Cleaning, Grinding, Assembly, Machine Operations, Large, Gray/Teal by 3m
- **How much does it cost?** ¥11260 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/358524808-rugged-comfort-half-facepiece-reusable-respirator-6503-49491-cool-flow)

## Best For

- 3m enthusiasts

## Why This Product

- Trusted 3m brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **See more, do more:** Low profile half facepiece design expands your field of view and fits seamlessly with welding and grinding shields.
- • **Lightweight powerhouse:** At just 150g, it offers robust protection without weighing you down during long work hours.
- • **Stay cool, breathe easy:** Proprietary Cool Flow Valve minimizes heat and moisture buildup, reducing fog on eyewear and shields.
- • **Custom fit, no compromise:** Adjustable 4-point head harness ensures a secure, personalized fit for maximum comfort.
- • **Comfort that lasts all shift:** Resilient textured silicone face seal adapts to your face, maintaining shape even in hot conditions.

## Overview

The 3M Rugged Comfort Half Facepiece Reusable Respirator 6503/49491 combines durable silicone sealing with an innovative Cool Flow Valve to reduce heat and moisture. Its low-profile design enhances visibility and compatibility with protective shields, while the adjustable 4-point harness ensures a secure, comfortable fit. Lightweight yet tough, it’s engineered for demanding tasks like welding, grinding, and assembly.

## Description

Rugged Comfort Half Facepiece Reusable Respirator 6503/49491, Cool Flow Valve, Silicone, Welding, Sanding, Cleaning, Grinding, Assembly, Machine Operations, Large, Gray/Teal

## Features

- RESILIENT TEXTURED SILICONE FACESEAL: Helps provide comfort, durability, and stability with a soft but firm seal. Keeps its shape even in hot work conditions.
- PROPRIETARY COOL FLOW VALVE: Helps reduce heat and moisture. The exhalation valve cover helps direct exhaled breath and moisture downward to reduce fogging of eyewear and grinding and welding shields
- LOW PROFILE: Half facepiece design offers a wider field of view and better compatibility with welding and grinding shields
- ADJUSTABLE: 4 point head harness assembly offers improved fit and comfort

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | 3M |
| Brand | 3M |
| Model | 6503 |
| Product Dimensions | 18.16 x 10.03 x 20.45 cm; 150 g |
| Item model number | 051131494911 |
| Manufacturer Part Number | 051131494911 |
| Item Weight | 150 g |

## Product Details

- **Brand:** 3M
- **Size:** L
- **Colour:** Gray/Teal
- **Number of Items:** 1
- **Material:** Silicone/Nylon

## Images

![Rugged Comfort Half Facepiece Reusable Respirator 6503/49491, Cool Flow Valve, Silicone, Welding, Sanding, Cleaning, Grinding, Assembly, Machine Operations, Large, Gray/Teal - Image 1](https://m.media-amazon.com/images/I/61feW60WaIL.jpg)

## Questions & Answers

**Q: Does this come with the filter or do I need to buy separately?**
A: Need to buy seperate

**Q: Is there an available size chart online?  If not, how is a buyer to figure out which size to buy?**
A: 3M Rugged comfort half facepiece respirator: The size is adjustable and can fit a large variety of head sizes. It works for both me and my 9 yr old daughter

**Q: How does the 6500 compare to the higher priced 7500? i am an emt concerned with wight & comfort, and patients being able to hear me talk.**
A: Very similar.  The main difference is the 7500 series all silicone.  Voice may be muffled, just have to speak up.  Call the 3M Techline at 800-243-4630 for any assistance.  Thank you.

**Q: Does this work as an N95?**
A: This mask has different cartridges some for toxic gases and I think this is more than enough and surpasses what the n95 can do it is not disposable the mask is rubber with no requirement for fitting has check valves for positive breathing and needs to be cleaned .

## Frequently Bought Together

- 3M Rugged Comfort Half Facepiece Reusable Respirator 6503, NIOSH, Cool Flow Valve Helps Reduce Heat and Moisture, Silicone Faceseal Provides a Firm Seal, Welding, Sanding, Cleaning, Grinding, Large
- 3M P100 Respirator Cartridge/Filter 60923, 1 Pair, NIOSH Approved, Helps Protect Against Organic Vapors, Acid Gases, and Particulates, Magenta, Yellow
- 3M 2091 P100 Particulate Filter, 3 Pairs

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/358524808-rugged-comfort-half-facepiece-reusable-respirator-6503-49491-cool-flow](https://www.desertcart.jp/products/358524808-rugged-comfort-half-facepiece-reusable-respirator-6503-49491-cool-flow)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-22*