Set Of Spare For Midland Make Air Flow Indicator Gauge To Clw'S Drg. No.- 1209-18-306 226 ( Alt.- 1 Or Latest) (Each Set 4 Items=8 Nos).-- (1) 12 Mm Poly Carbonate Glass (98.5 Mm Dia) Qty.=01 N O. (2) 3 Mm Poly Carbonate Glass (98.5 Mm Dia) With Knurel Knob, Qty.=01 No. (3) Spacer (Teflon ) For Poly Carbonate Glass, Qty.= 01 No. (4) 'O' Ring For Poly Carbonate Glass, Qty.=01 No. (5) 1 2 Mm Poly Carbonate Glass (102 Mm Dia) Qty.=01 No. (6) 3 Mm Poly Carbonate Glass (102 Mm Di A), Qty.=01 No. (7) Spacer (Teflon) For Poly Carbonate Glass, Qty.=01 No. (8) 'O' Ring For Poly C Arbonate Glass, Qty.=01 No [ Warranty Period: 30 Months After The Date Of Delivery ] ]