Terra's Talk-Throughs allow clear communication with personnel on the other side of the window, while the transparent overlapping diaphragms maintain barrier integrity. Mount in tempered glass or acrylic windows.
Acid-resistant polypropylene housing prevents the Fire Detection System from degrading in wet processing work stations. Factory Mutual approved specifically for semiconductor wet bench electro-optical fire detection.
To simplify filter replacement, HEPA filters can be removed and replaced while the FFU remains installed; the gel-sealed filter seats securely against the "knife-edge" on the blower housing to form a tight seal.