Laby Seal, IB, Carbon/PTFE, for Goulds 3196 MTX, P/N 96M333-CT (Summit), X-Ref# D04584A04-6219, also fits Summit 2196 MTO, Peerless 8196 MTP, Griswold 811M, and others. (Item shown in picture is an example only and may not be actual product.)