Telstar equipment is compliant with all major quality standards, provides good ergonomics and ease of use and the modular design enables various configurations to suit the requirements of each particular process. Telstar provides 3 types of SAS: Pass Through SAS Equipment specially designed for the transfer of materials between classified areas or between a classified area and a non-classified area with no filtration system. The system keeps the door blocked where the charge has been carried out, allowing the removal of the material from the other door; with the aim of not contaminating the clean area. The product in transfer is subjected in a controlled time of UV light radiation. HEPA Filtered SAS Equipment specifically designed for the transfer of materials between classified areas or between a classified area and a non-classified area, with decontamination using HEPA filtered air. It is equipped with a ventilation system that provides filtered air to ensure a clean environment inside the chamber, before the opening of the door. The system keeps the door blocked where the charge has been carried out, allowing the removal of the material from the other door; with the aim to not contaminate the clean area during the ventilation cycle. Biological SAS Equipment uniquely designed for the transfer of materials for biological neutralization of elements and bio-contaminated materials between classified areas or between a classified area and a non-classified area. This is equipped with a bio-decontamination system by means of a hydrogen peroxide generator. (external or integrated which is optional). The system keeps the door blocked where the charge has been carried out, permitting the removal of the material from the other door; with the aim to not contaminate the clean area during the ventilation/disinfection cycle.