This invention relates to an apparatus for dispensing a viscous fluid whether in combination, disassembly or assembly. The apparatus comprising a cartridge, reservoir or tube containing the fluid and having an openable or opened outlet structure which, when opened, allows the expression of the fluid from a created outlet aperture. A nozzle is engaged or engageable to the outlet structure and/or cartridge, reservoir or tube whereby fluid expressed from the outlet aperture can subsequently move to and be expressed from the nozzle outlet. The openable or opened outlet structure is adapted to provide on opening at least one outlet aperture having a size of area A; and wherein the nozzle has or is adapted to be cut to provide a nozzle outlet of area B, area B being greater than or equal to area A.