... steel SUS304 or AISI316L Technical parameterscartridge filter(mircon filter,micron cartridge filter)Flow:0.3-30T/H0.1 ... so it is broadly for precision filter and sterilization.the filter cylinder is 1core,3core,5core,7core ... filter core is PTF,Pplysulfone,nylon,pp,acetyl cellulosethe diameter of the filter hole is 0.1μm,0.22μm,0.45μm,1μm ... ,3μm,5μm,10μm,30μm,60μm, ...