... ,VITON,NR...... Size:AS568 and PG series,all size we can do... Rubber seal (LRD-18)1.Material: NBR,EPDM,SILICONE,VITON ... ,NR......2.Size: AS568 and PG series,all state standare and ... to contact us if you need them AS568& P&G series Rubber seal (LRD-18)