"Diaphram,As Per Rwf Drg.No.701900310600 To Withstand 6Kg/Sq.Cm (Min)Com Pressed Air Pulsing Pressure,With Uniform Thickness. Note:-Minimum Warranty Of 03 (Thr Ee) Months From The Date Of Fitment." As Per Drg.No. .701900310600 [ Warranty Period: 3 Mo Nths After The Date Of Delivery ] ]