Hepa diffuser

Metal Housing Upper Mouth

Metal terminal diffuser for replaceable HEPA/ULPA filters, type Laminarven for air diffusion in clean rooms with turbulent and laminar flow.

Technical features

Type: Diffuser terminal unit for ceiling or wall installation for the final filtration of a Clean Room.
Construction: Electro-galvanised steel, welded airtight, white epoxy paint (RAL 9016) and oven dried.
Air inlet: Top (HTMBS) circular with fixing collar.
Installation: Holes for fastening, allowing easy and quick assembly.
Filter fixing: At the bottom, against the smooth, one-piece frame and fastened with fixings that provide continuous and constant pressure.
For filters: Filters of 66, 78, 90 and 110mm. depth.


Smooth coating, allows easy cleaning of the diffuser grille.
– Internal centring devices for the filters and fixed fixings for the location of the filter inside the housing, preventing it from falling out.
housing, preventing the filter from falling out.
Easy assembly or replacement of the filter.
– Easy adaptation of different filter fixings.
– New lid fastening system.

– Rigid construction design, allowing an easy and quick assembly or installation.
– Top entry ceiling installation.
– It is also equipped with four drilled brackets for suspension.

Steel plenum:

Fitted grids:

Fixings for filter attachment:


Probes for integrity testing and differential pressure measurement:


Measurements Filters:


Diffusers and grids:


Mounting elements

Technical documentation


Metal Housing Upper Mouth


UxP (*): Units per box
Stock: F: Manufacture, S: Stock, SL: Limited Stock