Braun Series 3 21B Electric Shaver Head Replacement Cassette – Black

Replacement Shaver Head Cassette BRAUN Series 3 21B is designed to restore cutting performance and maintain a close, comfortable shave for compatible Braun electric shavers 300s, 301s and 310s. Made from a combination of durable plastic and metal parts and produced in Germany, the single-piece cassette is compact and straightforward to fit, providing the core cutting elements needed for reliable daily grooming.

Advantages

The cassette combines metal cutting blades with a sturdy plastic frame to ensure durability and stable alignment during use. It restores the original shaving quality by replacing worn cutting elements, reduces skin irritation through precise cutting geometry, and is easy to install without special tools. The compact dimensions make storage and handling simple, while German manufacturing standards contribute to consistent build quality.

Suitable for (tasks / use cases)

• Regular replacement of worn shaving head to maintain shaving performance
• Home grooming for daily or occasional use with Braun Series 3 shavers
• Replacement part during maintenance or repair of compatible shaver models
• Keeping travel shaver performance consistent after prolonged use

Key specifications

• Compatibility: Braun Series 3 shaver models 300s, 301s, 310s
• Materials: metal cutting foils and blades mounted in a durable plastic cassette
• Design: single-piece head cassette for straightforward replacement
• Origin: manufactured in Germany
• Package dimensions: approximately 22 × 80 × 160 mm

How to use

Switch off the shaver and remove any protective cap. Press the release mechanism on the shaver handle to remove the old head cassette, then align the new cassette with the shaver mounting and press until it clicks into place. After fitting, run the shaver briefly on a low-power setting or follow the device manual to check correct operation. Clean the head regularly according to the shaver instructions to preserve cutting performance and hygiene.

Recommendations

Replace the shaver head cassette when you notice reduced cutting performance, increased skin pulling, or visible wear on foils and blades. For optimal results, clean the cassette after each use and perform a full maintenance cycle as recommended by the shaver manufacturer. Use only compatible replacement heads to ensure safe operation and preserve warranty conditions.