JIANCENGYU 21B Shaver Blades for Braun Series 3 – Replacement Foil & Cutter Head for 300s, 310s, 3010s, 3040s, 340s-4

Overview

Refresh your Braun Series 3 grooming setup with the JIANCENGYU 21B shaver blades. These replacement foil and cutter heads are designed to fit a broad range of Braun Series 3 models, delivering a fresh edge that can help you maintain a clean, well-groomed look between full shaves. While the razor itself isn’t included, this replacement head is built to align with the 21B foil and cutter system for reliable performance.

Broad compatibility

The 21B heads are crafted to work with Braun Series 3 wet and dry shavers, including popular models such as 300s, 310s, 3010s, 3040s, and 340s-4, among others. This means you can often extend the life of your current shaver by pairing a trusted, compatible replacement head with your existing device.

• Works with a wide range of Braun Series 3 models for both wet and dry use.
• Designed to pair with 21B foil and cutter configurations for seamless replacement.

Advanced design for edge and comfort

Featuring lifting and cutting technology, the 21B head is engineered to help maintain a capable cutting action across the contours of the face. A stainless steel mesh component is used to fit smoothly against the skin, offering a comfortable glide as you groom.

• Upgraded cutting system aims for a close, even pass with less repeated strokes.
• Contoured fit helps the blade follow facial lines for a consistent result.

What’s included and how to use

Package content focuses on the essential replacement part: the 21B foil and cutter head compatible with Braun Series 3. Note that the actual shaver unit is not part of this package.

• Includes a ready-to-install 21B foil and cutter head.
• Razor/shaver device must be owned separately; replacement is straightforward with compatible heads.

Care, maintenance, and replacement cadence

For consistent performance, periodic maintenance matters. Clean the head after use and inspect for wear. The manufacturer notes a typical replacement cadence around every six months under normal use to help preserve a close shave and reliable edge.

Real-life use scenarios

Whether you’re preparing for a workday, a weekend trip, or a busy morning routine, the 21B head offers a practical way to refresh your shaver’s performance. It’s suited for quick refreshes between deeper grooming sessions, providing a balance of efficiency and comfort without claiming guaranteed results.