AQUASOL EZP-4 - PREFORMED PURGE DAM 4" 48/PK - PRE-FORMED PURGE DAMS - FAST, EASY INSTALLATION: PEEL, INSERT, AND PRESS THE DAM IN PLACE|SELF-ADHESIVE, WATER-SOLUBLE DAMS SAVE TIME ON WELD PREPARATION AND HELP SAVE GAS AND IMPROVE PROJECT TIMELINES - -...