content: 500 ml LUPUS® barrel cleaner refill bottle 500 ml - highly active - acid and ammonia-free Quickly and gently dissolves all residues such as lead, tombac, zinc, copper, powder residues and oils without attacking rubber, paints, plastics or wood. Application: Spray the cleaner into the barrel and leave to work for approx. 3 - 5 minutes (no longer than 10 minutes). Then use a brush to remove the residue and wipe the barrel several times. Our LUPUS barrel cleaner will not dissolve any existing Teflon sealant created by LUPUS products. For permanent Teflon protection, we recommend using our LUPUS barrel cleaner every time you clean the barrel.
