Achieve the precise sleeve height you need when working with HydroFlame Pro Series firestop sleeves with cap. Ideal for use on concrete pours over 11-3/4 in. in., each extension adds up to 4-¾ in. of height in ¼ in. increments. No coupling needed for connection to sleeve.

Features

• Available for all HydroFlame Pro Series sleeve sizes.
• Connects to water dams, water modules and underside of sleeves.
• 1–2 in. NPS

10 pcs/ctn