HL616.1/1Product overview / Major drains of "perfect series" / vertical / flap seal / flangeperfect-drain DN110 vertical with flange, 260x260mm/226x226mm cast iron with frost-proof flap seal  HL616.1/5Product overview / Major drains of "perfect series" / vertical / flap seal / flangeperfect-drain DN160 vertical with flange, 260x260mm/226x226mm cast iron with frost-proof flap seal  HL616/1Product overview / Major drains of "perfect series" / vertical / flap seal / flangeperfect-drain DN110 vertical with flange, 240x240mm plastic/226x226mm cast iron with frost-proof flap seal  HL616/5Product overview / Major drains of "perfect series" / vertical / flap seal / flangeperfect-drain DN160 vertical with flange, 240x240mm plastic/226x226mm cast iron with frost-proof flap seal  HL616L/1Product overview / Major drains of "perfect series" / vertical / flap seal / flangePerfect-drain DN110 vertical with flange, 240x240mm/226x226mm plastic with frost-proof flap seal  HL616L/5Product overview / Major drains of "perfect series" / vertical / flap seal / flangeperfect-drain DN160 vertical with flange, 240x240mm/226x226mm plastic with frost-proof flap seal  HL616S/1Product overview / Major drains of "perfect series" / vertical / flap seal / flangeperfect-drain DN110 vertical with flange, 240x240mm plastic/226x226mm stainless steel with frost-proof flap seal  HL616S/5Product overview / Major drains of "perfect series" / vertical / flap seal / flangeperfect-drain DN160 vertical with flange, 240x240mm plastic/226x226mm stainless steel with frost-proof flap seal