40MM Gas Mask Extension Hose | 0.5m–10m Filter Connecting Pipe

Gas Mask Filter Extension Hose – 40MM Thread, 0.5m / 1m / 5m / 10m

Keep your workspace safer with this heavy-duty 40MM threaded gas mask extension hose — engineered for long-distance filter connections in industrial, chemical-handling, and confined-space work environments. Available in four lengths (0.5m, 1m, 5m, and 10m), this flexible corrugated tube lets you position your filter canister further from your face mask while maintaining an airtight seal.

Made in Mainland China.

Key Features

• Universal 40MM Screw Interface: Compatible with the industry-standard 40MM threaded filter canisters used across a wide range of full-face and half-face gas masks.
• Wear-Resistant & Anti-Aging Construction: Built from a durable polymer compound designed to resist abrasion, UV degradation, and chemical exposure for long-lasting performance.
• Flexible Corrugated Design: The accordion-style tubing moves with you, bending and flexing without kinking, so airflow stays consistent throughout your work shift.
• Soft Sealing, High Tubular Strength: Gasket-quality end fittings create a reliable, leak-free connection between mask and canister, even under sustained use.
• Multiple Length Options: Choose from 0.5m, 1m, 5m, or 10m to suit trough-type, tank, warehouse, or other confined-space applications.
• Broad Chemical Compatibility: Suitable for use with filters designed to address organic gases, acid gases, ammonia, and hydrogen environments.
• Package Contents: 1× Extension Hose Tube (filter canisters sold separately).

Specifications

Workplace Safety Resources

For guidance on respiratory protection in the workplace, refer to the U.S. Occupational Safety and Health Administration's respiratory protection standards: OSHA Respiratory Protection.

Frequently Asked Questions

Q: What gas mask thread standard is this extension hose compatible with?

A: This hose uses the universal 40MM threaded interface, which is the most widely adopted standard for industrial gas mask filter canisters. It is compatible with full-face and half-face masks that accept 40MM screw-type filters, including those used in organic gas, acid gas, ammonia, and hydrogen work environments.

Q: Will the hose kink or collapse during use?

A: No. The corrugated, accordion-style construction allows the hose to flex and bend freely without collapsing or restricting airflow, making it well-suited for movement in tight or confined workspaces.

Q: Which length should I choose for my application?

A: The 0.5m and 1m lengths are ideal for close-proximity work where a short extension improves mobility. The 5m and 10m options are designed for trough-type channels, tank environments, and warehouse applications where the filter canister needs to be positioned well away from the operator.

Q: Is the filter canister included with the hose?

A: No — this listing includes only the extension connecting tube (1× hose). Compatible 40MM filter canisters are sold separately. Please ensure your chosen canister matches the specific gas types present in your work environment.