The most important part of any window cleaners toolbox is his squeegee rubbers!
You're squeegee rubbers are responsible for that streak free, crystal clear, professional finish. The better the condition of your rubbers, the better your windows are going to look.
It's important to regularly change your rubbers when they start to get dull, rounded or have little nicks in them. All these imperfection in your rubber cause your windows to streak, which can be incredibly frustrating. For this reason, you should always take care when storing your rubbers and squeegees. Never leave them pressed up against surfaces that aren't completely flat.
Glidex rubbers can only be used with Glidex products.
Wagtail rubbers can only be used with Wagtail products.
Unger, Ettore and Pulex rubber are all interchangeable.