A large format 20 x 20cm slab gel for the separation of up to 24 x 50ml protein samples in an hour Using the single, 6 or 12 well combs even larger volumes can be processed for possible subsequent elution from the gel. This is an ideal system for running native gels, The fold back clips used for gel clamps enable rapid and ready assembly of the gel plates in a unit. With silicon rubber seals, splash tray and general ease of use this is the established workhorse for PAGE analysis.