1 x Etaline 450mm -EC (Three Phase)1 x Helios GigaBox 450mm GBD 450/4/4 centrifugal1 x DIC-ATX 140 Forward Curved Blade Centrifugal Fan1 x Nicotra RDH E4-0250 (K)1 x Soler & Palau TCBT/6-630/H - IP651 x Compact SCD630/4-1AC1 x 204x60mm Flat Channel Connector1 x 204x60mm x 1000mm Long Hi-Flow Duct Silencer1 x Helios AV200 External Wall Fan1 x Soler & Palau - HXBR-250 ECOWATT - IP441 x FRQ-10A V2 Inverter Speed controller1 x Helios AV125 External Wall Fan1 x Frequency converter FU 075 14 - IP661 x 220x90mm Mounting Clip (Individual)1 x ELTA - Three Phase Transformer 10amps1 x Ancillary Pack for SB-Biflow 400 model1 x Ancillary Pack for SLC-5001 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3552 x Hydor Typhoon Circulation Fans - HVFB - 450mm1 x Helios GigaBox 450mm GBD 450 centrifugal - EC Motor1 x Soler & Palau - HCBT/6-450/H - IP651 x 45JMP/16/4/5/3/3ph Plate Fan1 x Hydor HPA450/6-1A1 x Soler & Palau - HCBB/6-450/H - IP651 x HIMF - Mixed Flow Fan 100mm Inline Fan2 x Hydor Typhoon Circulation Fans - HVFB - 300mm1 x Elta HWFA-650 Oscillating Wall Fan1 x BDS 500/560 RA b/d shutter1 x Helios HQW-355/4 - IP551 x Gorilla HVLSX40S1 x Elta Unpodded Silencer Melinex 1D-450mm1 x Classic SAX23/9ARB Wall Mounted1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x 56Jm/16/4/5/32/1Ph Long cased axial1 x Elta SLC500-1EC -IE5 Motor- IP551 x Belt Drive Cased Axial Fan - 500mm - L version1 x Soler & Palau - Contra Rotating TCBTx2-560 - IP651 x Raptor SDA560/4-1AC1 x CAB-315 ECOWATT Energy Efficient Acoustic Box Fan1 x Elta Wall Cowl SWC45/501 x Elta SLC560/4C-3AC - IP551 x Differential Pressure Switch - 50 - 500 Pa - IP651 x Helios DDF-250 Roof Cowl1 x Elta SLC560/4A-1AC - IP551 x CRBB/3-160/052M EC 1H0 MP - External Rotor Motor Radial Fans1 x Hydor HPA315/4-1A1 x ACOFR9A-ADS-VFC - Automatic Duty Share Changeover panel1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x HCFB/4-315mm plastic impeller plate fan1 x Helios HQW-315/4 - IP551 x Helios HQW-400/6 - IP551 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 100mm1 x HCFB/4-315mm (B-FLOW Supply Air) plastic impeller plate fan1 x Soler & Palau - HCBT/4-400/H - IP651 x 150mm Round Wall Plate1 x Helios HQW-200/2 - IP551 x Soler & Palau - HXBR/4-400/H - IP541 x HRSB/6-710/24-BZ1 x AC03TO-ADS-VFS-EN-9A (Three Phase)1 x HRB/4-400-BPN1 x IP65 Remote Speed Adjustment Station1 x Flexible PVC Ducting - 220x901 x Helios GigaBox 250mm GBW 250/4 centrifugal1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x JETLINE-250 - In Line Centrifugal Duct Fan1 x CBMT/Q 400-9 3 HEATER KIT1 x GORDON W 30/12″ ET Oscillating wall mounted fan with remote control1 x Elta Quietflow Twin SQT200-1ECL
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 10.53

Look good, works well, except the shaft of the lanellae cuts...