High level with Clena ceramic cistern, 6 litres single flush with conventional fill valve Product Details Company Name Armitage Shanks Brand Name Sandringham 21 Magnia Model Number S3510, S3955 Maximum Flow Rate 6 l/min Maximum Volume 6 litres Category WC Suites Available In United Kingdom Efficiency Rating Chart Company name:Armitage Shanks Model:S3510, S3955 6 l/min The average flushing volume for dual flush WC Suites and Cisterns is calculated as (a + (3 × b)) ÷ 4, where a is the full flush value and b is the low flush value.