Supply of Set Of Kits For Air Flow Indicator Gauge To Clw Drg No: 1209.18.306.226 Alt-Nil . Set Consist Of To 04 Items As Follows.A 12Mm Poly Carbonate Glass 102 Mm -01No./Setb 3Mm Poly Carbonate Glass 102 Mm With Knurel Knob -01No./Set. C Spacerteflon For Poly Carbonate Glass -01No./Set. D O Ring For Poly Carbonate Glass -01No./Set. Warranty Period: 30 Months After The Date Of Delivery