Bio-Rad Mini Gel Holder Cassette, #1703931, with foam pad and filter paper $65.0 Model Bio-Rad 1703931 Brand biolabsupply condition New This kit include:One Replacement parts for Bio-Rad Mini Gel Holder Cassette #1703931Two Western Blot Foam Pads, 8 x 11 cm #1703933Pkg of 30 Thick Blot Filter Papers, 7.5 × 10cm