Ceetek’s Panel type Pre Filter are speccially designed to install and manage easily due to their light weight design and heavy - duty frame construction. Our panel type Pre Filters are washable and reusable filter, saving replacement cost. Also, these filters with effciency of over 85% by dust weight - arrestance are widely applied to various range of AHU. depending on the usage, various sizes and frames such as Aluminum, GI and SUS are available.