Size : 360MM H x 82MM W x 135MM DTrue Deep-Clean Reach With Flexible Silicone Bristles : Competitors often feature rigid bristles that miss tight curves, our silicone brush flexes into every nook, giving a deeper, more hygienic clean.Removable Water Reservoir for No-Mess Cleaning : Say goodbye to stagnant water. While most models lack drainage or cleanup features, the removable reservoir makes emptying and cleaning quick and easy.Tool-Free Brush Head Replacement : Forget buying a whole new set when the brush wears out, just unscrew the head and replace it. Most leading brushes don’t even offer replacements.