18 Novelty Roca Novelties Shower panel Collections designed to guarantee flexibility in the bathroom space. The available range offer unbeatable functionality and boast a minimalist design giving the room a sense of light and space. Its simple design and extra-flat sections makes it a minimalist collection that suits any style of bathroom perfectly. Plenum This ergonomically designed range of hand showers bring the most advanced technology to give you unbridled comfort. It allows the gush of water to come in three distinctly different ways – Rain, Rainstorm and Pulse – which can be easily controlled through its function selector.