Product: Spiral Wound Gasket Material:ASME B16.20, SS304 Size: 4 IN Application: Used under the high/low temperature and high/low-pressure conditions, and also used in metal-to-metal joints and have a good tolerance for flange surface finish irregularities. Packing: As Your Requirement Payment Terms: TT, LC, Paypal, West Union, O/A Delivery Time:7-28 Days after Received the Deposit