3M HF-300 Series Half Mask Respirator Mask, Size L
- RS Stock No.:
- 608-927
- Mfr. Part No.:
- HF-303
- Brand:
- 3M
Subtotal (1 unit)*
£41.32
(exc. VAT)
£49.58
(inc. VAT)
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- Plus 6 unit(s) shipping from 18 May 2026
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Units | Per unit |
|---|---|
| 1 + | £41.32 |
*price indicative
- RS Stock No.:
- 608-927
- Mfr. Part No.:
- HF-303
- Brand:
- 3M
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | 3M | |
| Product Type | Respirator Mask | |
| Sub Type | Half Mask | |
| Size | L | |
| Series | HF-300 | |
| Colour | Grey | |
| Material | Ethylene Propylene Diene Monomer, Facemask: Thermoplastic Elastomer Over-Molded Onto Polypropylene, Polyester with Neoprene Core, Thermoplastic Elastomer | |
| Replacement Filter Included | No | |
| Standards/Approvals | AS/NZS 1716:2012, EN 140:1998 | |
| Select all | ||
|---|---|---|
Brand 3M | ||
Product Type Respirator Mask | ||
Sub Type Half Mask | ||
Size L | ||
Series HF-300 | ||
Colour Grey | ||
Material Ethylene Propylene Diene Monomer, Facemask: Thermoplastic Elastomer Over-Molded Onto Polypropylene, Polyester with Neoprene Core, Thermoplastic Elastomer | ||
Replacement Filter Included No | ||
Standards/Approvals AS/NZS 1716:2012, EN 140:1998 | ||
RoHS Status: Exempt
- COO (Country of Origin):
- GB
3M HF-300 Series Respirator Mask, Large Size, Grey - HF-303
This respirator mask is a reusable half-face device designed to provide respiratory protection in industrial settings. It combines a Durable elastomeric face seal with a moulded facemask assembly to work with appropriate filters and cartridges. The product is intended for use where particulate, vapour or gas control is required and is offered in a large size for a secure fit on a wider range of operators.
Features and Benefits:
• Ethylene propylene diene monomer compound provides chemical resistance and flexibility
• Thermoplastic elastomer over-moulded facemask improves seal durability and wearer comfort
• Polyester with neoprene core harness offers stable positioning and reduced movement
• Complies with AS/NZS 1716:2012 for recognised respiratory protection standards
• Meets EN 140:1998 indicating half-mask construction and performance criteria
• Thermoplastic elastomer over-moulded facemask improves seal durability and wearer comfort
• Polyester with neoprene core harness offers stable positioning and reduced movement
• Complies with AS/NZS 1716:2012 for recognised respiratory protection standards
• Meets EN 140:1998 indicating half-mask construction and performance criteria
Applications
• Suitable for maintenance tasks involving solvent handling in automation plants
• Ideal for assembly line work in electronics with solvent-based adhesives
• Used for electrical panel cleaning where particulate extraction is limited
• Can be used for mechanical workshops performing metal finishing and degreasing
• Ideal for assembly line work in electronics with solvent-based adhesives
• Used for electrical panel cleaning where particulate extraction is limited
• Can be used for mechanical workshops performing metal finishing and degreasing
What materials contact the face and how do they affect comfort?
The face-contacting components use a thermoplastic elastomer over-moulded onto a polypropylene support, delivering a flexible seal that conforms to facial contours while maintaining structural support.
Is the product supplied with replaceable filters?
No replacement filter is included
it is intended to be used with compatible external cartridges or filters selected to match specific contaminants.
Which size should a larger-stature operator choose and what benefit does it give?
The large size offers a broader sealing surface and improved fit stability for users with larger facial dimensions, reducing the need for frequent adjustment during prolonged tasks.
What aspects of the harness design aid prolonged use in industrial shifts?
The harness incorporates polyester with a neoprene core, which stabilises the mask on the head, limits slippage during movement and helps distribute pressure evenly.
Related links
- 3M HF-300 Series Half Mask Half Mask, Size L
- 3M HF-800SD Series Half Mask Respirator Mask, Size L
- 3M HF-300 Series Half Mask Respirator Mask, Size M
- 3M HF-300 Series Half Mask Respirator Mask, Size S
- 3M HF-300 Series Half Mask Half Mask, Size M
- 3M HF-300 Series Half Mask Half Mask, Size S
- 3M HF-800SD Series Half Mask Respirator Mask, Size M
- 3M HF-800SD Series Half Mask Replacement Filter Included Respirator Mask, Size S



