ZP2 series vacuum?pads are available in?38 diameters from 2 to 340mm, and offer a variety of?pad materials and designs to choose from. The ZP2 series was designed to standardize special products designed for the ZP series.? Pad types include: miniature pads, compact pads, nozzle pads, multibellows pads, sponge pads, mark-free pads, oval pad variations, and heavy-duty pad variations.