... .Carbon steel/Stainless Steel material 3.Galvanized or silicon powder 4.Anysize The Spring Filter cage is a rib ... 316L2.type of cage: Any type(round, envelop, star)3.type of the horizontal bar: Any type4.surface treatment: ... .The thichkness of the longitudinal wire can be Φ3, 3.2, 3.5, 3.8, 4. We are the toppest and strongest ... BWF, ANDREW, ALSTOM, FLSMIDTH, BATLIBOI for many years! Spring Filter cage