DIXON Cam and Groove Gasket, 4 in Nominal, 4 in Inside Dia, 4-7/8 in Outside Dia, 9/32 in Thickness, Buna-N, Black
DIXON Cam and Groove Gasket, 4 in Nominal, 4 in Inside Dia, 4-7/8 in Outside Dia, 1/4 in Thickness, Buna-N, White