Patent ID: 6890427

Claim:
A waste water outlet unit for a shower tray having a drain opening, the unit comprising a base element which is locatable on the underside of the shower tray to cover the drain opening, and a clamp element which is locatable on the topside of the shower tray and which is engageable with base element to clamp the base element to the underside of the shower tray, the clamp element having an aperture through which waste water from the shower tray can pass into the base element, a filter element which is positionable over the aperture and which can be removed to enable access to the interior of the unit while maintaining the engagement between the base and clamp elements and a removable cover which, when in place, prevents removal of the removable filter element and which, in use, restricts the flow rate of liquid into the base element, and fasteners engaging said cover and said clamp element for releasably attaching said cover to said clamp element whereby the removable cover is removable independently of the filter element.