Ventev’s Replaceable Door for ID Hard Lid and V2 ID Ceiling Tile Mounts. The Mount door is constructed of powder-coated aluminum and meets NEC300-22 and 300-23 standards for installation in plenum/air-handling areas._x000D_  _x000D_  Every Ventev door is covered by the company’s two-year warranty program. For questions or to purchase product, contact a Regional Sales Executive at 800-851-4965 or sales@ventev.com.