Minimax Conical 2 gallon water fire extinguisher cartridge in original delivery tube with double sided instructions. 

One side of the leaflet shows how to refill the conical BW water model, the reverse side show how to refill the CW metal knob and CW (T) plastic knob version.

Also included as a bonus is a Minimax leaflet for the DC25 Dry Powder with the unused lead seal and wire.

Original leaflet, cartridge & package.