... ,EPDM,SILICONE,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 ... to contact us if you need them AS568& P&G series Rubber seal (LRD-18)