This Spec Seal Ready Sleeve Firestop Sleeve 4" FS400 is a must-have for any building's fire protection equipment. It is brand new and comes in a sealed package, ensuring its quality and reliability. The sleeve is designed to prevent the spread of fire through openings in walls, floors, and ceilings, providing a necessary safety feature for any facility. The sleeve is manufactured by Specseal and is not a customized bundle. It has not been modified in any way, ensuring its originality and effectiveness. This product falls under the category of Other Fire Protection Equipment, Fire Protection Equipment, Facility Maintenance & Safety, and Business & Industrial. Purchase this product with the confidence that you are investing in a top-quality fire protection solution for your building.