HL616.1H/1Product overview / Major drains of "perfect series" / vertical / flap seal / bitumen membraneperfect-drain DN110 vertical with bitumen membrane, 260x260mm/226x226mm cast iron with frost-proof flap seal  HL616.1H/5Product overview / Major drains of "perfect series" / vertical / flap seal / bitumen membraneperfect-drain DN160 vertical with bitumen membrane, 260x260mm/226x226mm cast iron with frost-proof flap seal  HL616H/1Product overview / Major drains of "perfect series" / vertical / flap seal / bitumen membraneperfect-drain DN110 vertical with bitumen membrane, 240x240mm plastic/226x226mm cast iron with frost-proof flap seal  HL616H/5Product overview / Major drains of "perfect series" / vertical / flap seal / bitumen membraneperfect-drain DN160 vertical with bitumen membrane, 240x240mm plastic/226x226mm cast iron with frost-proof flap seal  HL616HL/1Product overview / Major drains of "perfect series" / vertical / flap seal / bitumen membraneperfect-drain DN110 vertical with bitumen membrane, 240x240mm/226x226mm plastic with frost-proof flap seal  HL616HL/5Product overview / Major drains of "perfect series" / vertical / flap seal / bitumen membraneperfect-drain DN160 vertical with bitumen membrane, 240x240mm/226x226mm plastic with frost-proof flap seal  HL616HS/1Product overview / Major drains of "perfect series" / vertical / flap seal / bitumen membraneperfect-drain DN110 vertical with bitumen membrane, 240x240mm plastic/226x226mm stainless steel with frost-proof flap seal  HL616HS/5Product overview / Major drains of "perfect series" / vertical / flap seal / bitumen membraneperfect-drain DN160 vertical with bitumen membrane, 240x240mm plastic/226x226mm stainless steel with frost-proof flap seal