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Operating Theatre Ultra Clean Ventilation (UCV) canopies fitted with gel seal HEPA filters

Welsh Government Estates and Facilities Alert 2016/004

Operating Theatre Ultra Clean Ventilation (UCV) canopies fitted with gel seal HEPA filters

Document Status



Core Supplement


Welsh Government Estates and Facilities Alert


Gives information on the issue of gel from the HEPA filter seal dripping from the Ultra Clean Ventilation (UCV) canopy diffuser screen. Details the problem found and the action that should be taken.


Dated 21 July 2016. Valid to: 21 July 2022. Estates and Facilities Alert content is agreed between staff representatives from the four NHS administrations and issued throughout the United Kingdom. Endorsed by the Welsh Government as being relevant to NHS Wales. Issued by NHS Wales Shared Services Partnership.


Publisher History

NHS Wales Shared Services Partnership provide advice to the Welsh Government on strategic issues and support to the NHS on the delivery of their operational plans.



NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.


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