LDPE washing bottle has a unique vent system that keeps hazardous volatile liquids in the wash bottles and off the lab bench. A strong, steady stream of liquid is dispensed when the wash bottle is squeezed. Choose from 6 different chemicals: acetone, methanol, isopropanol, ethyl alcohol, sodium hypochlorite (bleach) and distilled water. White closure for sodium hypochlorite (bleach) is HDPE.