... as isolation, filter, drainage, reinforcement, protection and enclose.Product Technological Standard: Short fiber knitting geocloth SpecificationItem100150200250300350400450500600800RemarkQuality deviation per unit acreage %-8 ... BEST QUALITY AND RESONABLE PRICEISO9001,ISO14001,OHSAS18001 AND CE CERTIFICATE Non-woven geotextiles with needle punched,PP/PET material for isolation and filter