Feature: 

[CLOSE & CLEAN]: Flexible shaver head to capture even more hair in one stroke.
  
[EFFICIENT & GENTLE]: The replacement head get's your shaver back to 100% performance and a closer shave.        
        
[PEAK PERFORMANCE]:to maintain your best shaver, we recommend replacing the shaver head every 18 months.

21B Shaver Head:
This replacement head compatible with series 3 shavers : 300S，301S，310S，320S，330S，340S，360S，3000S，3010S，3020S， 3030S，3040S，3045S，3050S，350CC，370CC，3050CC，3700CC，3010BT，320，330，340， CruZer3 shavers and Cruzer6 shaver...

32B Shaver Head : 
This replacement head compatible with all series 3 shavers : 300S，301S，310S，320S，330S，340S，360S，380S，3000S，3010S，3020S， 3030S，3040S，3045S，3050S，3080S，3090S, 350CC，370CC，390CC，3050CC，3700CC，3090CC，3010BT，320， 330， 340  and Cruzer6 shaver：5772，5773，5774，5776，5779...

32S Shaver Head :  
This replacement head compatible with all series 3 shavers : 300S，301S，310S，320S，330S，340S，360S，380S，3000S，3010S，3020S， 3030S，3040S，3045S，3050S，3080S，3090S, 350CC，370CC，390CC，3050CC，3700CC，3090CC，3010BT，320， 330， 340  and Cruzer6 shaver：5772，5773，5774，5776，5779... 

Replacing your shaver head is simple. Just press on the sides and click off your current head. To fit the new shaver head, simply click it onto the shaver.