Mosa of Taiwan has worked diligently to craft a quality product. Their Grande Stainless Steel 1 Pint (.5 liter) Cream Whipper is 100 percent stainless steel cream whipper . This includes the head and the dispenser nozzles. The cartridge holder is plastic on this model. Designed for commercial applications, using sturdy construction it is designed to withstand the stress and strain of intense usage. Many culinary professionals have migrated to this product for its competitive cost, durability, and reliability. With a 100 percent stainless steel head and includes a stainless steel decorating tip and metal base which makes this unit dishwasher safe (however we suggest your hand wash). This unit typically will require just one charger to operate, and all of the chargers on our site are compatible. Mosa stands behind their products; they offer a one year guarantee against manufacturer defects. This whipped cream dispenser is compatible with all of the Nitrous oxide chargers on our web site and requires just 1 charger to whip 1 pint of whipping cream.