The LX20 with its twenty individually controlled syringes essentially makes this instrument twenty individual one port smoking machines. With this unmatched level of flexibility the LX20 provides capabilities previously not possible in a single smoke run. Up to 20 different regimes can be smoked simultaneously and these can be randomized across the 20 ports. The LX20 can of course provide all on the standard smoking configurations from 20 ports of ISO3308 smoking 35ml volume/2 sec duration/60 sec interval or simultaneously smoking of 5 ports each of ISO3308 35/2/60 & Canadian intense 55/2/30 & Massachusetts 45/2/30 and Bidi 35/2/15. But the flexibility does not end there, with individual ports the groups of 4 ports smoking a specific regime do not have to be grouped into consecutive ports, but can be randomly spread across the whole 20 ports so providing true randomized smoking as needed.