Surface cleaners that are designed for use on flat, smooth surfaces are usually lightweight and easy to maneuver, so they do not need caster wheels to help them move around. However, surface cleaners that are designed for use on uneven or rough surfaces are often heavier and more difficult to maneuver, so they might need caster wheels to help them move around more easily.
Another reason why some surface cleaners might require caster wheels is that they are designed to clean large areas quickly and efficiently. These surface cleaners often have a wide cleaning head and multiple spray nozzles that allow them to cover a large area in a short amount of time. In order to move these surface cleaners around easily, they often have caster wheels that allow them to be pushed or pulled across the surface being cleaned.
Finally, some surface cleaners might require caster wheels for safety reasons. If a surface cleaner is heavy and difficult to maneuver, it can be dangerous to try to push or pull it around without the help of caster wheels. Caster wheels can make it easier to control the movement of the surface cleaner, which can help prevent accidents and injuries.
Overall, the need for caster wheels on a surface cleaner will depend on the design of the cleaner, the type of surfaces it is intended to be used on, and the size of the area that it is meant to clean. Surface cleaners that are designed for use on flat, smooth surfaces and are intended to clean small areas might not require caster wheels, while surface cleaners that are designed for use on rough or uneven surfaces and are intended to clean large areas quickly might need caster wheels to make them easier to use.
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