FREQUENTLY ASKED QUESTION:1.Are TOTO products approved in Singapore?All TOTO products are APPROVED for use in Singapore with minimum 2 ticks WELS rating.2.What is the warranty on TOTO products?TOTO warrants its products to be free from manufacturing defect during normal use when properly installed and serviced, for a period of 1 year from the date of purchase. 3.How do I find a certified plumber?We are able to recommend plumber to you. Please chat with us for more information. 4.What is a ROUGH-IN? Toilet ROUGH-IN refers to the distance from the finished wall to the centre of the toilet's floor drain or waste outlet. 5.How do I check my toilet ROUGH-IN?Please contact a certified plumber or consult with the building management for the records. 6.Can I install toilet with a different ROUGH-IN as my current?Depending on the toilet model, some allows for flexible ROUGH-IN connection. Please consult with us or a certified plumber.