The soap dish is large enough contain a standard size bar of soap

Bradley 133-146A Soap Tank- Replacement Part

which makes it easy to see how much soap remains inside of the unit

Bradley 119-133 Piston Replacement Part

Bradley 107-220A Access Panel Center-Notched Replacement Part

Eagle Lab Cans, 1/2 Gal. Polyethylene - Yellow, Model 1508 Toilet Tissue Dispensers The soap dish is large1 2 Gallon Capacity Laboratory Safety Can Reduce the danger of explosions resulting from the ignition of vapors of flammable liquids Meet OSHA and NFPA Code 30 Requirements. FM Approved High Density Polyethylene For safe storage and handling of most chemical compounds Polyethylene construction is impact resistant, non corroding, and will not rust Yellow Made in the USA