PWP Boar's Hair Brush Socket:Fast Lock woven synthetic material that is

woven synthetic material that is soft on your hands but tough on glass

This is meant to fit on your t-bar super snug

You've got your choice of the rough abrasive blue EasyScrubs or the fine abrasive white EasyScrubs

See label for surface-specific instructions

the preferred choice for you would likely be the soft rubber

PWP Boar's Hair Brush Socket:Fast Lock woven synthetic material that isAbout the Pure Water Power Boar's Hair Brush If you're looking to effortlessly tackle grimy windows using a high quality water fed brush, then the Pure Water Power Boar's Hair Brush is a must have addition to your collection of water fed equipment. Boar's hair bristles are super aggressive when it comes to scrubbing and agitating dirt on glass. This is a great tool to keep handy if you have windows that haven't been cleaned in a long time. Boar's hair