Polypropylene Head Outer Float by ave | Oct 8, 2013 | Oil Skimmer, Oil Skimmer Accessory/Replacement, Products, Replacement This product is for use with the Dragonfly™ Micro Oil Skimmer and the Polypropylene Self-Adjusting Head Inner Float. Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)