Inquiry (采购产品): filter paper HI, I willlike to filter bibasic ester because we treat with chlorite sodium andcarbon active to takeout color and water inside.What is the best filter paper to use.We have sparler filter or vacum filter **** Hidden Message ***** Richard Labre h1b5r7 CAN Company: Inktechnologie E-mail: richard@ink-tech.com **** Hidden Message ***** richard@ink-tech.com