Odour masking device - with bell cover for reducing evapn of the masking agent

摘要

Appts. for the prevention of odours, with a container for a chemical odour masking medium, comprises a vertically mounted bottle having several apertures at the top and contg. an odour-masking medium, the zone in which the apertures are provided being surrounded by an upwardly closed component spaced from the bottle, and pref. constructed as a hollow cone frustrum with downwardly widened rim. Prevents too rapid evaporation of the odour masking agent and therefore saves replacement costs.