3 Felts

 Fits trumpet
Jupiter 600ML
Jupiter 600MS
Jupiter 600NL
Jupiter 600NS
Jupiter 606MRL
Jupiter 1000S
Jupiter 1002S
Jupiter 1010S
Jupiter 1200S

Fits baritone models:
Jupiter 462

Fits euphonium
Jupiter 464
Jupiter 468
Jupiter 470
Jupiter 474
Jupiter 570

Fits alto horn
Jupiter 456

Fits tuba
Jupiter 378L
Jupiter 380L
Jupiter 382L
Jupiter 482L
Jupiter 582L

Fits sousaphone
Jupiter 590L
Jupiter 594L
Jupiter 596L