GeBAflex-tube Kit dialysis tube is an ideal choice for the preparation of biological samples. It can efficiently replace sample buffer or extract proteins, DNA or RNA from gels using dialysis and electroelution methods. The product has a double membrane design and large surface area, which can be used to concentrate biological samples. GeBAflex-tube Kit dialysis tubes are available in four types: Mini, Midi, Maxi and Mega, which are suitable for samples of different capacities.