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
BEVERAGE AIR Gasket Part # 703-736C- Size - 20-6601 26 1/4 X 25 1/4 MAG 4SC for Models - RI18-HS-26 , RI18-HGS , RID18-HGS