Whirl-Pak^® Polysponge™ Hydrated Sponge Bags are pre-moistened with 16ml of HiCap™ neutralising broth which provides the highest neutralisation of quaternary ammonium compounds, free chlorine and peroxyacetic acid. It is an ideal alternative to traditional collection broths (neutralising buffer, Dey and Engley neutralising broth or Letheen broth). All components are non-allergenic and compatible with molecular detection assays and 3M Petrifilm™. Supplied in foil sachets of 20 within a pack of 100.