Material very secure, handy and low noise. It is more appropriate to the treatment of large surfaces and ceilings. In implementing it allows very easy to paint effortlessly and very quickly. Its ingenious system pump operated by remote control removable confers very substantial properties: regulating the flow of paint needed (economic) avoids dip the roller into the paint (no dripping or splashing) allows continuous work ( gain significant time), made impeccable. Conversely this device is not designed to paint the corners or the detailed work (paintings fittings, finishes); Cleaning is fast and simple, a water sufficient to proceed to wash items that come apart very easily thanks to quick connectors (type 1 / 4out turn) or nested interchangable. The roller is standard can be found in all DIY stores has provided well keep the roller axis. Good quality product !!