S. No Code Description Size in Feet 1 SDPBSS2 Dynamic Pass Box 2 x 2 x 2 Feet 2 SDPBSS3 Dynamic Pass Box 3 x 2 x 2 Feet 3 SSPBSS2 Static Pass Box 2 x 2 x 2 Feet 4 SSPBSS3 Static Pass Box 3 x 2 x 2 Feet Construction- Fully Stainless Steel or Outer Mild Steel and Inner Stainless Steel Note- Customization also available