The P421 TPR Half Mask is a premium reusable respirator designed to provide reliable respiratory protection, exceptional comfort, and flexible filter compatibility for demanding industrial environments. Manufactured from durable and flexible thermoplastic rubber (TPR), this professional half mask combines ergonomic design with lightweight performance for extended daily use.

Engineered for comfort and practicality, the P421 features dual bayonet filter connections that provide balanced weight distribution and improved breathing comfort. The dual-filter design also allows for a wider field of vision, helping users maintain better awareness of their surroundings while working in busy industrial settings.

The soft thermoplastic rubber facepiece creates a secure and comfortable facial seal while reducing pressure during prolonged wear. This lightweight construction helps minimize wearer fatigue, making the mask suitable for extended use across a wide range of workplace applications.

Designed with a 4-point plastic suspension harness, the P421 offers excellent fit stability and even pressure distribution for enhanced comfort and reliable sealing performance. Adjustable strap fastenings allow flexible sizing and quick adjustment, while the availability of two size options helps achieve a more personalized and secure fit for different users.

The frontal exhalation valve improves airflow and breathing efficiency by reducing heat and moisture build-up inside the mask during physically demanding tasks. This helps improve wearer comfort and reduces internal condensation during prolonged periods of use.

Built for long-term industrial use, the P421 is quick and easy to disassemble for cleaning and maintenance, supporting workplace hygiene and extending product lifespan. Its durable construction makes it suitable for regular use in harsh working conditions.

Compatible with Portwest filters including P902, P921, P941, P952, and P971, the P421 allows users to select the appropriate respiratory protection for particulate, gas, vapour, or combined workplace hazards. Filters are sold separately, providing flexibility to customize protection based on specific industrial applications.

Ideal for construction, manufacturing, engineering, maintenance, chemical handling, sanding, grinding, painting, and industrial dust protection, the P421 delivers dependable respiratory safety with professional-level comfort and usability.

Supplied in a retail presentation box, the mask is suitable for PPE programs, industrial supply distribution, and professional workplace safety applications.

Manufactured from durable thermoplastic rubber, the P421 is built for reliable long-term performance. CE certification and CE-CAT III approval confirm compliance with professional European respiratory protection standards.

Key Features & Benefits

Reusable TPR Half Mask
Flexible, durable, and comfortable respiratory protection.
Dual Bayonet Filter Connections
Balanced weight distribution and improved comfort.
Wide Field of Vision
Better visibility for safer workplace operation.
4-Point Adjustable Harness
Secure fit with reduced wearer pressure.
Quick Disassembly for Cleaning
Easy maintenance and improved hygiene.
Frontal Exhalation Valve
Reduces heat and moisture build-up.
Available in Two Sizes
Improved fit and sealing performance.

Compatible Filters

Compatible with:

P902
P921
P941
P952
P971

Filters sold separately.

Ideal Applications

Suitable for:

Construction environments
Manufacturing facilities
Engineering workshops
Chemical handling
Sanding and grinding
Maintenance operations

Professional Respiratory Protection

The P421 TPR Half Mask combines ergonomic comfort, lightweight construction, and versatile filter compatibility for dependable industrial respiratory protection. Its reusable design and easy maintenance make it an excellent solution for demanding workplace environments.

Choose reusable respiratory protection designed for comfort, flexibility, and reliable industrial performance.

TPR Half Mask P421 Dual Bayonet Respirator