Four sizes, Mini 10 x 10cm, Mini Wide 20 x 10cm, WAVE Maxi 20 x 20cm and Maxi Plus 20 x 30cm, share a host of common features including a guaranteed leak proof seal required for trouble free, rapid and uncomplicated gel casting. Utilising a built in gel running module eliminates time consuming transfer of glass plates during casting, a process which can cause gel damage and misalignment. Glass plates with permanently bonded spacers guarantee perfect spacer alignment. The glass plate sandwich is simply inserted between pressure bars and sealed using and easy to use sliding gates system. This ensures fast set up times while even pressure bars and ultra soft seals guarantee leak proof casting. Once the gel has polymerised, the gel running module is simply inserted into the gel tank for electrophoresis.