The Flanders Auto Roll Series NP12 Unit Ventilator Automatic Roll Filter is a 12" wide x 50' long air filter media roll. The NP12 roll offers a high arrestance and dust holding capacity making it ideal as a pre-filter for high efficiency filters. It is designed for use with Nesbit Corporation HLU 1250 and 1500 Units.
Media with high arrestance are able to remove high quantities of dust from the air.
High Dust Holding Capacity
A high dust holding capacity extends the service life of your filter by allowing it to retain high quantities of dust before replacement.