Osma waste valve white 32mm

HepVO is hygienic self sealing valve designed to prohibit the escape of foul sewage smells into the air. Slimline fitting; ideal for installation in confined spaces Fit under washbasins to free up space Waterless trap which won't dry out Eliminates negative pressure within the waste system by opening and allowing in fresh air Designed to close waste connections below a sanitary fixtures Prevents foul sewer air from entering a building