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., each extension adds up to 4-¾ in. of height in ¼ in. increments. No coupling needed for connection to sleeve.
Features:
| Nominal Penetrant Size: | 2-1/2" - 4" |
|---|---|
| Penetrating Pipe Type: | Plastic and Metal |