The PVS-7 Preformed Packing is a specialized sealing component used in the PVS-7 night vision goggle system. Designed from high-quality, durable materials, this preformed packing ensures a secure and reliable seal between various parts of the goggle assembly, such as the housing and lenses. Its primary function is to protect internal components from dust, moisture, and contaminants, preventing damage and ensuring the longevity of the device.