The PiB (Pump-in-a-Box) Series builds on the exceptional quality and unsurpassed performance you have come to expect from Armstrong commercial pumps. PiB models are packaged for warehouse distribution or shipment within 48 hours of the order date. Current PiB models include the 4360, 4380 and 4380 IVS Series Vertical In-Line pumps, available with an extensive assortment of predetermined impeller and motor combinations, to cover a wide range of head and flow requirements.