The #3SB-500 ml is designed to fill fluorocarbon, hydrocarbon and similar propellants. In a very easy 4 step procedure. Made with precision bore tubing, ceramic backed on decals. Fitted with brass hardware. (if preferred a stainless steel option is available). Equipped with a safty blow-off valve so no more than 150 psi can be used when installed properly and properly operated. A 304 S.S. knitted mesh jacket encapsulates the burette, then fitted with 2 polycarbonate shields for safety 3/8 total thickness. It has been tested upon assembly and comes complete and ready for use. (*If using any propellants NOT compatible with viton, The kalrez option must be used). It will fit all areosol cans & valves with the AP-CS optional adapter set. For all options and accessories and replacement parts, please look at the accessories and parts for pressure fillers. 2nd day UPS is recommended for less handling.