CHECK OUT OUR FILTERS ON AMAZON Dust Collector Filter - Height: 26" OD: 12.75" ID: 8.375" / Nanofiber FR, Open-Closed pans 0.540 BH Dust Collector Filter - Height: 26" OD: 12.75" ID: 8.375" / Cellulose Polyester Blend FR, Open-Open pans Dust Collector Filter-Height: 26" OD: 12.75" ID: 8.375" / Cellulose Polyester Blend FR, Open-Closed pans 0.540 BH