Throat Seal Liquid, 1 gal. (3.8 L) - Case of 4

22:24:231 Gallon TSL Throat Liquid Seal, Used With Graco 190ES & 210ES (and larger), Use To Protect Pump Rod & Packings.Not for use with smaller pumps (X5, X7, X9) ::: ::: Also available in 8oz and 1 quart bottles!