HS Q1 design facilitates the passage of surgical supplies between two distinct placements in a quick and easy way, with self positioning opening. Sash windows Hospital System HS Q1 are made in Stainless Steel and in antibacterial APL in 6 colours. Airlock windows HS Q4 have a tunnel of 500 mm that enables the transfer of materials that require a high grade of environmental control and sterility grade. Sash windows HS-Q1 and airlock windows HS-Q4 are installed insides, laboratories, radiology rooms and could perform airlock systems together with other units.