high quality molecular sieve 1)10 years professional manufacturer for 3A, 4A,5A, 13X 2)drying,absorbent,cleaning ect. producthigh quality molecular sieveProduct ... for drying polar liquids.4A (pore size 4 Å): Adsorbs H2O, CO2, SO2, H2S, C2H4, C2H6, C3H6, EtOH. Will not adsorb ... 3-0.6Highpow absorbents for removal of H2O, H2S and CO2 in liquid and gas, as well as for paraffin separation13X0 ...