Equipment Snapshot: E-PAK gravity and pressure/gravity fillers can fill containers ranging from a quarter of an ounce to 5-gallon containers. Fillers are made of stainless steel and anodized aluminum. HDPE, UHMW and PVC materials are available for corrosive products. Microprocessor controls with programmable storage. Timers capable of 1/100th second offer precision control of liquid levels. Up to 100 jobs can be saved in memory.