Owl™ A1 Large Gel System Replacement Parts Replacement End Gates (1Owl A1 Large Gel System Replacement Parts Choose from various Thermo Scientific Owl A1 Large Gel System Replacement Parts, including gasketed UVT gel trays, replacement gaskets and external casters. UVT gel tray incorporates gasketed end gates which provide a leakproof seal without tape Comb slots are positioned so you can arrange up to 10 sample sets on the same gel Unique electrode placement allows this gel to be run quickly without compromising the