Pro-Pak^® distillation packing 

Efficient, self-wetting, protruded metal dump-packing for distillation columns of 0.75 to 12 in. diameter. Maximum reflux rate of approximately 3.4 L/h. Free space for 0.16 in.² size is 94% and for 0.24 in.² size is 96%. Each package has a packing volume of approx. 1 L. Packed heights up to 20 ft possible without distortion.

Pro-Pak is a registered trademark of Scientific Development Co.