Vandoren is one of the most popular and consistent manufacturers of woodwind mouthpieces. They produce a strong range of mouthpieces and accessories that can help improve any players performance. Most of their mouthpieces are made from hard rubber stock.
The "Profile 88" was introduced (in 1988) to offer an alternative to Vandoren's standard beak angle, this beak allows the player to hold the instrument in a different playing position further away from their body.
The "13 Series" was developed for American clarinetists using A440 pitch.
The 5RV clarinet mouthpiece is kind of old school, but it is here to stay. Many clarinet players have crossed paths with the 5RV since Robert Vandoren designed it in 1935 and many of them have never felt a need to stray from that path. It plays great with a #3-4 Vandoren reed and features a tip opening of 1.065mm. The facing is medium-short and it is offered in all 3 beak styles. Try the mouthpiece that your grandfather raved about in letters to your grandmother.