PTFE Spacers DN L25 Cat.Ref.40 Cat.Ref.50 Cat.Ref.5 SST1/5* SST1.5/5* SST2/5*10 SST1/10* SST1.5/10* SST2/10*15 SST1/15* SST1.5/15* SST2/15*20 SST1/20* SST1.5/20* SST2/20*