... you are .....WE SUPPLY FULL SERIES SPHERICAL BRONZE POWDER FILTERS / MUFFLERANY DETAILED REQUIREMENT, PLEASE SENT ENQUIRY TO US! ... degree 1micron-150micron.WE SUPPLY FULL SERIES SPHERICAL BRONZE POWDER FILTERS / MUFFLERFiltering range:a) 1-150 microns (Sintered Bronze, ... ZeZhu Mansion, No.368 HuShu Road (S), Hangzhou,Zhejiang Province,China 310006Tel:+86-571-88836312 (8lines) ; +86-571-88365029 ; Fax ...