COLONEL’s-Original Smoke Fluid 2 oz-NON SCENTED Lionel, Flyer, MTH, Marx,k-Line (# 204827798994 )”. SEE MY YOUTUBE VIDEO ON THIS SMOKE FLUID. THIS IS FOR 2 FLUID OUNCES = 60ML. 2 FLUID OUNCES. Note, this smoke liquid is not intended for Seuthe smoke units.