Converts compact and comfort bowl of most toilets with 4 bolt fixing bowls and bolt centres on a 95 mm (3 3/4”) diameter circle such as matromarine, Jabsco, tmc, Raritan, Rm69, Johnson pump, ,thetford, lalizas. included kit contains all necessary parts, such as stainless steel bolts and washers, hose and gaskets. and control panel in the electric std v.