The LFSH comes with or without lead cleanouts. Patriot uses their trademarked DenShield for all door frames for long blast breaching life and blast resistance. Utilizing only the best certified AR-500 ballistic steel and superior vulcanized ballistic rubber which outlasts typical common cold pressed rubber 3-to-1. No Steel or Ballistic rubber cutting in the field. Truly reconfigurable at any size with variable heights. Fast standup and assembly that can be assembled by site manpower if desired. Portable / Deployable / Transportable by Air Worldwide fielding. Unique “Gravity Stud” interior wall assembly. Variable steel panel sizes. Easy/Quick field assembly – All bolt construction. Easy to follow Design Layout and Assembly Instructions. Color Coded and E-Z Identified material markings. Quick Change doorway frames for COTS doors for breaching. Quick change rubber and interior steel frame. Ballistically protected sliding ingress/egress doors. Non-Ricochet producing Fiberglass Reinforced Polymer (FRP) catwalk, stairs, and handrails, meets and exceeds OSHA requirements.