An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a streaming gas (such as air) using an induced electrostatic charge.

Electrostatic precipitators are highly efficient filtration devices that minimally impede the flow of gases through the device and can easily remove fine particulate matter such as dust and smoke from the air stream. WEIS ENVIRONMENTAL’s range of electrostatic precipitators includes Dry ESPs as well as Wet ESPs, manufactured by BETH®.