Lotus Trumpet Mouthpiece 1L HC Brass Second Generation This brand was created by Adam Rapa himself, the owner, through rigorous play-testing. Here's a comparison table with other manufacturers: 1L = Bach 1-1/4C, GR 67.4, Monette B2-S3, Bob Reeves 43.5CS, Schilke 16C, Warburton 3MD, YAMAHA 16B4 ※The HC series (high compression) has a throat size reduced by 0.2mm, as the name "high compression" suggests, so the throat diameter of this series is 3.7mm compared to the normal series. Only used for sound testing and has been stored. It will be disinfected and polished with silver cleaner before shipping.