Home » Tender for Tender Invited For Constant Level Oiler ,item No. 4811 And As Per Attached Details , O-ring Size Id 152 Mm X Chord Dia 5 Mm Item No. 4250-1, Material Epdm And As Per Attached Details , O-ring Size Id 80 Mm X Chord Dia 3 Mm ,item No. 4250, And As Per Attac, India