Double Side Openable Door Closer (the Overhead Double Acting Concealed Door Closer Device) To Icf Drg. No. Icf/sk3-5-6-014, Item-5, Alt-h & To Icf/md/spec.-268, Rev.-00.makes: The Item Shall Be Of M/s Dorma Mod El No. Its-96 En 2-4or M/s Geze Door Technology & Glass Systems, Model No. Geze Boxer Gr. 2-4 Or M/s Yale, M Odel No. Yic 5324 Slim Or Samrat Model Smdts 96v Only One Sample To Be Got Approved By The Consignee Prior To The Bulk Supply. [ Warranty Period: 30 Months After The Date Of Delivery ]