My Site - Tri-Seal / K-Packer - Well Flow Products http://www.bookmarkdais.com/story.php?title=tri-seal-k-packer-well-flow-products • Provides seal between outside diameter of the screen and inside diameter of well casing • Manufactured by moulding rubber to outside diameter of a thread - Water Well Parts and Supplies- Well Flow Products Tue, 13 Feb 2018 13:44:12 UTC en