4" Deck Plate with Standard Trim Ring Replacement gasket = D4S-G

Outside Diameter: 6 1/8" (15.6 cm) Inside Diameter: 4" (10.2 cm) Hole Cut: 4 1/2" (11.4 cm)

Thin Rim with or without screw holes may be available in some color / material combinations. Thin rim OD is 5.625"