Inquiry (采购产品): Gas Sampling Bags Hi I am looking for gas sampling bags 4 to 6 litre, to do smoke stack emmission sampling. Gas Bags most be able to contain gas for up to 10 days before analysis can be performed. Can you kindly supply me qith quotation if you manufacture bags for my requirements. Kind Regards Alex Hull SMI Analytical **** Hidden Message ***** Alex Hull 620 Bossperwer St. Monument Park Pretoria0181 ZAF Company: SMI Analytical Title: Mr E-mail: alex@smianalytical.com **** Hidden Message ***** alex@smianalytical.com