Inquiry (采购产品): filter material Hi, I am looking for a porous flter material made of 316 s.s., < 300 micron, dia 1/4" and , thk. 1/4". Do you sell these in disks or by the sheet? thank You, Heidi **** Hidden Message ***** Heidi Anderson 87123 Company: Sandia National Laboratory E-mail: hmander@sandia.gov **** Hidden Message ***** hmander@sandia.gov