D3-14, A3-1 and A6 Wide Gel Electrophoresis System Wall Comb, 1 Tooth MicrowellD3 14, A3 1 and A6 Wide Gel Electrophoresis System Wall Comb, 1 Tooth Eliminate comb assembly with Fisherbrand D3 14, A3 1 and A6 Wide Gel Electrophoresis System Combs. These microwell and wall combs are heavy duty, one piece units for use with the D3 14, A3 1 and A6 wide gel electrophoresis systems. Ordering Information: Cat. Nos. D3 MTC, MTD, MT2C and MT2D are 8 and 12 channel pipette format (1X) and (2X) combs Customized combs are available (Order