Infinity® Pass Boxes

Infinity® Pass Boxes
  • Mechanical interlock is reliable, maintenance-free, fail safe and maintains cleanroom integrity by preventing both doors from being opened at the same time.
  • All Esco products are manufactured for the most demanding controlled environment applications.
  • All components are designed for maximum chemical resistance and enhanced durability for a long service life.
  • The main body of the pass box is constructed of industrial-grade electrogalvanized steel.
  • The pass box base surface is constructed of stainless steel, making the work zone easy to clean.
  • Acrylic doors provide a clear view of the internal chamber.
  • Standard 1 year warranty.
Model No. External
Dimensions (mm)
Dimensions (mm)
Velocity (Inflow)
Velocity (Downflow)
EPB-A504050660 x 450 x 560500 x 400 x 500---
EPB-A606060760 x 650 x 660600 x 600 x 600---
  • Flange for sealing the gap between the pass box and the cleanroom wall, when the cleanroom wall can support the weight of the pass box. (Set of 2 flanges).
Catalog Numbers:
EPA-A504050-FL for EPB-A504050
EPA-A606060-FL for EPB-A606060
  • Optional UV lamp, must be factory fitted, add “-U1” to the end of the model to order for 230VAC 50HZ models and add "-U2" to the end of the model for 115VAC 60HZ models (example: EPB-A606060-U1).
  • Support stand (for cleanrooms with thin wall partitions, which cannot support the weight of the pass box) to mount the pass box to the floor. Specify mounting height when ordering.
Catalog Numbers:
EPA-A504050-SS for EPB-A504050
EPA-A606060-SS for EPB-A606060