PVDF Spray Gun for spraying point-of-use deionized water and chemicals compatible with PVDF & Modified PTFE. No Metals, Lubricants, or Elastomers used in Construction. The AQUIS DI Water Spray Gun provides for the dispensing of high purity & corrosive media. Applications include: Distilled, Deionized, RO, Ultra Filtrated Water and Chemical Dispensing. The design features a precision-molded, all virgin high purity PVDF body, and a one-piece multi-purpose sealing component precision made of Modified PTFE material which isolates the flow to a pure path while performing the off sealing function. The excellent flexibility of this sealing component provides an exceptional cycle life. All wetted surfaces are PVDF and Modified PTFE, eliminating any o-ring or other elastomeric seals.