tag:blogger.com,1999:blog-4945598565554793023.post6535614530517602526..comments2024-03-24T15:38:45.970+00:00Comments on Action for Swifts: Entrances in air ventsAction for Swiftshttp://www.blogger.com/profile/07833205471411004146noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4945598565554793023.post-29873155836881041402012-06-07T16:34:02.906+01:002012-06-07T16:34:02.906+01:00'Air terminals' are the supply air outlets...'Air terminals' are the supply air outlets and 'return' or 'exhaust air inlets'. For supply, diffusers are most common, but grilles, and for very small HVAC systems such as in residences, 'registers' are also used widely. Return or 'exhaust grilles' are used primarily for appearance reasons, but some also incorporate an air filter and are known as 'filter returns'.plumbing supplieshttp://www.bes.co.uk/noreply@blogger.com