{HEAD ~ A plastic contact material} is disclosed for the treatment of a liquid, comprising {TAIL ~ a plurality} of strips made of a plastic material and wherein each of the strips has at least one tension element 
comprising
{ HEAD ~ A plastic contact material } is disclosed for the treatment of a liquid , comprising { TAIL ~ a plurality } of strips made of a plastic material and wherein each of the strips has at least one tension element
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH