• Model:CIRCLED

Gypsum Circle Diffusers

£ 70.00 (excl. VAT)

£ 84.00 (inc. VAT)

For an almost invisible requirement, frameless PCIRCLE diffusers are probably the most versatile solution, blending perfectly with the environment.

They can be plastered together with the wall or the ceiling and can be painted with the same paint as the entire surface.
The diffuser cap is supported by magnets that do not lose their strength for 95 years.

Can be used for both air supply and air extraction.

Suitable for plasterboard ceilings or walls. Once installed, the diffuser forms a permanent bond with the plasterboard, offering outstanding durability. It can be sanded and painted just like the surrounding surfaces. It leaves no visible frames or flanges between the diffuser and the surrounding surface, making it ideal for very clean and modern interior design styles.
Two slot versions also available for 160 & 200mm, ask for details.
Constructed from a gypsum composite body with industrial strength internal magnets, steel connector, rubber gasket and elastic fixing strap.
45mm diffuser depth.
Suitable for short throw applications..
Includes screws, fixing strap and plastic spacers.

The PCIRCLE version encourages a more lateral air distribution using the Coanda effect in its design. The standard CIRCLE version does not have this design feature.

Available in 100/125/160/200 connector diameters.

Link to 3D model of diffuser
Link to 3D model of fitted diffuser
PDF Files


PCIRCLE 100 & 125mm


PCIRCLE 160mm


PCIRCLE 200mm


CIRCLE100 & 125mm

Available Options

1 x Purlin Box 350 for RAW Cowls1 x Inclined Curb support BI-3 for TH-5001 x Purlin Box 1000 for RAW Cowls1 x Three Phase ATEX Compact axial fan - 560mm - compactATEX51 x 110 x 54mm Flat Channel Connector1 x Traditional T-Series Window Fan - TX12WW1 x KBD-250 outlet mounting flange for CRMT 2501 x Elta Cased Axial Flange - 315mm1 x JBS-1250 Flat Roof Upstand for HCTT/4-1000/B1 x JBR N - 560 Flange to suit CRHB roof fans1 x KBA- inlet mounting flange for CRMT 2251 x Purlin Box 500/560 for RAW Cowls2 x KBD- outlet mounting flange for CRMT 3551 x Three Phase ATEX Compact axial fan - 500mm - HCBT-EX-4-501 x Purlin Box 200/250 for RAW Cowls1 x KBA- Inlet Mounting 2251 x Purlin Box 800 for RAW Cowls1 x Elta Cased Axial Flange - 400mm1 x JBR N - 435 Flange to suit CRHB roof fans1 x Elta Cased Axial Flange - 450mm1 x GFL-AR 200mm Mounting flange1 x Three Phase ATEX Compact axial fan - 450mm - compactATEX41 x Purlin Box 300/315 for RAW Cowls1 x DDMP 12-12 FLANGE1 x JAA-560 Acoustic Upstand1 x JCC-560 - ADAPTER FOR CIRCULAR DUCT - for CTHB/T Roof Fans,1 x Speed Controller - REB101 x TUNE-R-200-3-M3 - Control Damper1 x GXC9 - High Performance Extract Fan1 x TEM 050 - 5 Speed Transformer Speed Control1 x Duct Mounted Filter Box - G4 Grade Panel - 200mm1 x Female Ducting Connector - 150mm1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Speed controller with Reverse - REB-1R1 x SAVE VSR 300 heat recovery unit1 x Soler & Palau VFD-M inverter 16 amp IP541 x TEM 035 - 5 Speed Transformer Speed Control1 x USD-3000 Rect to Circ coupling Flange For KABB/T kitchen fans1 x TUNE-R-200-3-M4 - Control Damper1 x TUNE-R-250-3-M0 - Control Damper (NO ACTUATOR)1 x TUNE-R-200-3-M5 - Control Damper1 x TUNE-R-80-3-M2 - Control Damper1 x TUNE-R-315-3-M0 - Control Damper (NO ACTUATOR)1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x Speed Controller - REB31 x *VORT HRW 30 MONO Evo - Single Room Heat Recovery Unit,1 x 125mm Thermal Duct to Duct Connector - SST-125-DDCON1 x TEM 100 - (10 amp) 5 Speed Transformer Speed Control1 x Temperature Fan Speed Controller - ATCP4-FLS1 x TUNE-R-250-1-M2 - Control Damper1 x TUNE-R-315-3-M4 - Control Damper1 x Acoustic MiniBox Fan - MINI-BOX 1501 x TUNE-R-250-2-M2 - Control Damper1 x Soler & Palau VFD-M inverter 10 amp IP541 x TEM 075 - 5 Speed Transformer Speed Control1 x TUNE-R-200-3-M2 - Control Damper1 x 125mm Insulated 45 Degree Bend1 x HV-RC 230mm (With Wall Kit)1 x Duct Termination with Mesh - 400mm1 x 100mm Round Connector1 x FAST-TRACK RANGE 75mm - Seal Ring (1 bag of 10)1 x 125mm Wall Duct - 350mm1 x 125mm Round Wall Plate1 x LAL 1000 D4 Mounting Flange2 x HD Series Control Damper - 3000mm X 1500mm1 x KMBI 280 Connector rectangular/circular to install on the discharge of CMT1 x Speed Controller - REB1-N1 x Vent Axia T-Series Wall Model TX6WL1 x Elta HWFA-650 Oscillating Wall Fan1 x Speed Controller - REB51 x Elta EC Electronic Controller1 x Acoustic MiniBox Fan - MINI-BOX 1001 x Soler & Palau - HXBR/4-450/H - IP541 x Blast Gate (Manual) 180mm1 x Ducting Reducers Short - 315mm-250mm1 x FUM Mounting Foot for ERM 2501 x Quietflow SQSDCV100-1ECL - Centrifugal Box Fan1 x Soler & Palau - HCBT/6-450/H - IP651 x Singleflow SSDL100-1EC1 x Duct Mounted Filter Box - G4 Grade Panel - 250mm1 x Access Door for Circular Duct - 400 x 300 - SIZE 501 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 150mm1 x Elta Cased Axial Flange - 500mm1 x Access Door for Circular Duct - 250 x 150 - SIZE 311 x Soler & Palau - HCBT/4-450/H - IP65
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