Introduced by A.J.Teller in 1950s
Large void, uneasy plugging, large flux, low pressure drop and mass transfer height, high flooding point, low bulk density, low pressure drop, large liquid hold-up
Increase the contact time of liquid-vapor, improve the mass transfer efficiency
Available in sizes of S, M, L
Available in materials of PP, RPP, PVC, CPVC
EN 
CN
EN
RU
AR
JA
DE
FR
ES
