P wave urinal trough deodoriser screen that is highly fragranced in mango which gradually releases the fragrance over 30 days. it is designed with long protrusions on both sides to reduce splashback and they are designed to link together for the length of the trough. they include a ‘clock system’ to remind you when to change the screen. it releases the odour to assist in controlling bacteria and is easy to install and 100% recyclable. Less