Johns Manville designs, manufactures, and sells Evalith® branded filtration products for applications such as cabin air, air pollution control (APC), heating, ventilation and air conditioning (HVAC), coolant oil, water, food and beverage, pharmaceutical, and mist elimination.

We offer a wide range of synthetic nonwoven, multi-layer composites and micro fiberglass filtration media that enable our customers to provide solutions for improved air and liquid quality.