The HOLDRITEĀ® Hydroflame Pro Series "Water Dam" attaches to the top of the Pro Series cast-in-place firestop
sleeves and adds a 2" tall water dam barrier at the perimeter of the sleeve opening. Sizes are available to fit all
Pro Series Sleeves, for all sizes of penetrants 1/4" thru 6" nominal size.
Thread sealant may be added to male threads prior to installation, if desired. UL-Listed accessory when used with
HOLDRITE's Hydroflame Pro Series Sleeves.