Aquarian Regulator Black, 1-ply resonant bass with small muffle ring (No Port) Drumheads size:24" The bottom layer consists of

The bottom layer consists of a 10mil WHITE film for density

a raw bell

offering drummers flexibility and control

including hide-away boom tilters

Aquarian Regulator Black, 1-ply resonant bass with small muffle ring (No Port) Drumheads size:24" The bottom layer consists ofThe Black Regulator RF model is a single ply, resonant bass drumhead that features a small, center positioned, "Floating Muffling Ring" for added resonant control. This patented Aquarian innovation eliminates the need for external muffling of the resonant head. The Small floating Super Kick ring allows the "no Port" RF Resonant BD Head to add body to the bass drum sound while controlling annoying overtones and adding to the focused "punch". This head