Com-Fill is a Car body Filler paste which is used to fill the scratches before touchup. It is available in the Com-Paint Value Pack Kit but can be purchased separetely from here. Available in 50gms tube Com-Fill is a Car body Filler paste which is used to fill the scratches before touchup. It is available in the Com-Paint Value Pack Kit but can be purchased separetely from here. Available in 50gms tube