The Campbell Hausfeld general-purpose spray gun (DH420000AV) changes from siphon to pressure-feed for use with a variety of materials， including his latex， lacquer and enamel paint， stain and primer. A fluid control regulates the amount of material sprayed to help deliver great results. Convertible from non-bleeder to bleeder style for use with standard or tankless air compressors， also works with paint tanks and remote canisters for larger paint jobs.