Holdrite Tub Box for 1-1/2" Drain

Features: UL Listed firestop device for bathtub drains 3 hour F-Rating Built-in fire, smoke and gas protection Provides a water tight slab penetration Accepts 1-1/2” PVC, ABS, and brass drain pipes using appropriate seal plug (provided with HFPTB-TW-0200) Allows for expansion, contraction and movement UL W-Rated water seal Built at 10 ¾” tall Height can be modified in the field