260 STEMX Cylinder

260 STEMX - 4.5"

260 STEMXT Cylinder

260 STEMXT - 4.5" Lens

261 STEMX Cylinder

261 STEMX - 6"

261 STEMXT Cylinder

261 STEMXT- 6" Lens

288 STEMX Cylinder

288 STEMX - 8"

288 STEMXT Cylinder

288 STEMXT - 8" Lens