What is silent 100 cz?

As an AI language model, I do not have access to current product information, but I can provide general information about "silent 100 cz."

Silent 100 CZ is most likely a model of a silent bathroom exhaust fan. It is designed to quietly extract humid and stale air from bathrooms, helping to reduce moisture and prevent the growth of mold and mildew. The "CZ" in the name probably stands for "central zone," indicating that it is designed for use in large, central bathrooms or other central zones within a building. Such fans are typically installed in ceiling spaces and are connected to ducting that vents air out of the building.

Silent 100 CZ may have various features such as low noise level, efficient ventilation, and low power consumption. However, specific details may vary depending on the manufacturer and model. It is always recommended to check the product's specifications and reviews before making a purchase.