Tenders for Supply of O Ring & Oil Seal Grease Tube For Lubricating Bp, Fp Angle Cock And Valve, Each Grease Tube Shall C Ontain 200 Grams Nett. Each Supply Tube Must Have More Than 90% Of Shelf Life. Make And Model: Siltec Hd Of Stanvac Or Molykote. Warranty Period: 18 Months After The Date Of Delivery