260 STEM Cylinder

260 STEM - 4.5"

260 STEMT Cylinder

260 STEMT - 4.5" Lens

261 STEM Cylinder

261 STEM - 6"

261 STEMT Cylinder

261 STEMT- 6" Lens

288 STEM Cylinder

288 STEM - 8"

288 STEMT Cylinder

288 STEMT - 8" Lens