Owl™ A1 Large Gel Electrophoresis System Standard Comb Wall comb 1Owl A1 Large Gel Electrophoresis System Standard Comb Eliminate comb assembly with this assortment of heavy duty, one piece Thermo Scientific Owl A1 Large Gel Electrophoresis System Combs, for use with Owl A1 Large Gel Electrophoresis Systems. Heavy duty, one piece combs eliminate comb assembly. Description: Wall comb For Use With: Thermo Scientific Owl A1 Large Gel Electrophoresis Systems Teeth Count: 1 Thickness (Metric) Teeth: 1. 5mm For Use With