Achieve the precise sleeve height you need when working with HydroFlame™ Pro Series firestop sleeves with adjustable cap. Ideal for use on concrete pours over 11-3/4 in, each extension adds up to 4-3/4 in of height in 1/4 in increments. No coupling needed for connection to sleeve.
HoldRite® HydroFlame Pro Series HFPESC6 Sleeve Extension With Adjustable Cap, 5-5/16 in OAH, 4 to 6 in Capacity