Double Door Dynamic Pass Box is a high-qulaity box of double door. This is suited for the advanced material transfers. This is a clean room setup of exclsive design. It is a good buy for several medical compaines. It is demanded for the industries of pharmaceutical, food processing, semiconductor, chemical, and electronics. Double Door Dynamic Pass Box features an advanced interlocking system, ss construction, rust-proof make, and noise-free use. It has buzzer signals for the transferral of materials.