Circular Metal Plenums - MADE TO ORDER - Please contact us directly on 0161 336 5065 for bespoke products not listed as we specialise in made-to-measure vents and custom designs.

Round Swirl Diffuser Plenum - CVRSDP
Circular Plenum with locating bar[22480]

Circular Plenum to suit CVE shop
Circular Flanged Diffusers

Description Galvanised metal grille box for use with CVE Shop circular flanged diffusers.  MADE TO ORDER WITHIN 5 WORKING DAYS.

Manufactured to order from 0.8mm or 1.0mm galvanised mild steel depending on size. Grille boxes are available with or without a 20mm flange at the open end.


Circular Plenums fit the neck of Swirl Diffusers and do not require a flange as standard.

The locating screw that comes with the Swirl Diffuser fixes to the locating bar inside the plenum.

NOTE: Spigot size must be smaller or equivalent to box size.

Extras Internal equalising perforated plate and brackets are available as an optional extra.


CVCSDP Circular Plenum box 2018[24085]

CVE Shop have our own manufacturing facility and can fabricate Metal Wall Sleeves to suit your external grille.

Please call with sizes for price/delivery information.