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