The drain range offers a wide range of options to suit your needs and wishes. Sink traps and drains, washbasin traps and drains, shower traps and bathtub traps, Sink drain, overflow, automatic control To protect your installation , we recommend that you do not use sulfuric acid maintenance products. A114m in the caliber of the water tank is applicable to B 84-90mm in the opening of the sink 45.2mm inner diameter The drain pipe with the outer diameter of the thread diameter 47.5mm is suitable for the sewer pipe with the inner diameter of the thread 45.2mm Round overflow head The waterproof umbrella can be closed and opened at any time to drain the water! Locking screws, no rust. Stainless steel shell, one-piece molding Top washer fits efficiently on the sink's concave platform Lower gasket for an effective fit on the bottom of the sink. Outer protective cover in PP