The McAlpine ST90CP10-53 is a shallow shower trap designed for use with shower trays or bathtubs, preventing wastewater backflow and foul odors. It features a 25mm water seal and a 1 1/2" solvent weld outlet. The trap has a slim profile, with an overall height of only 53mm, making it suitable for installations with limited space. It is designed to fit shower trays with a 90mm waste hole and includes a chrome-plated plastic flange. The trap is secured with a stainless steel clamping ring and three screws for a tight connection. A removable 110mm flange allows for easy cleaning. The flow rate is 24 liters per minute under a constant 15mm head of water, tested to BS EN 274-2:2002.