Precise Model Compatibility Designed for E2441A units, ensuring a secure fit and reliable performance. Enhanced Filtration Efficiency Multilayer structure captures a broad range of airborne particles effectively, improving overall air quality. Durable Core Construction Robust core maintains filter integrity through extended service life cycles, reducing replacement frequency. Easy Installation System Replacement is quick and straightforward with a userfriendly design that simplifies the changeover process. Applications and use scenarios Office environments with E2441A air handling units to maintain clean air and protect sensitive equipment. Classrooms and meeting spaces where higher occupancy generates particulates and dust control is needed. Light manufacturing, laboratories, or clinical settings where consistent filtration supports process cleanliness and equipment protection.