We ship a rectangular gasket that consists of 4 sides and inner magnet

This is just a cut of the profile. Actual gasket contains 4 sides and inner magent

CONTINENTAL Gasket Part # 2-728- Size - 20-10-516 59 5/8 X 23 MAG 4SD
Models: 1RESS, DL1FESS, 2FE, 1RE, 1RESSPT Numbers: 2-728, 2-928, 2728