IFJ_5_2024_nonwovens_Donaldson Ken Norberg December 3, 2024 4 Views Most baghouses employ cylindrical filter bags that can be up to fourteen feet long and are usually needlepunched nonwovens or woven fabrics. Photo courtesy of Donaldson Most baghouses employ cylindrical filter bags that can be up to fourteen feet long and are usually needlepunched nonwovens or woven fabrics. Photo courtesy of Donaldson