Circular Metal Plenums - MADE TO ORDER -

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.


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

Plenum can also be insulated.

Data Sheet Download PDF


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.