"vertitray4x4"

fits into the vertical filter stages "vertistage4x4", takes one 4x4" glas filter (Tiffen or Cokin Z-Pro)

"vertitray565"

fits into the vertical filter stage "vertistage565", takes one 4x5.65" glas filter (Tiffen)

"vertitray3x3"

fits into the vertical filter stages "vertistage4x4", takes one 3x3" glas filter (Tiffen)

"3sixty tray"

fits into the rotating filter stages "3sixtystage", takes one 4x4" glas filter (Tiffen or Cokin Z-Pro)

"40tray"

fits into the rotating filter stage "40stage", takes one 4x5.65" glas filter (Tiffen)

"vertitray565grad"

fits into the "vertistage4x4grad", takes one 4x565" graduated filter