1 x Elta Wall Cowl SWC56/631 x Elta SCP400/4-1AC - IP551 x Helios GigaBox 630mm GBD 630/4/4 centrifugal1 x HV Wall Mounted Belt Drive Fan 1000mm 220V to 240V / 50Hz 0.75kW - Single Phase1 x Male Ducting Connector - 100mm1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 6 Pole 200watt VR RE1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta Unpodded Silencer Melinex 2D-560mm1 x HRT/4-400-BPN1 x Soler & Palau - HCBT/6-400/H - IP651 x Helios DDF-315 Roof Cowl1 x AXC 315-6/11-2(B)-PV 300*C - Smoke Extract Fan1 x 204x60mm x 1m Insulated Rectangular Duct1 x Duct Mounted Filter Box - G4 Grade Panel - 200mm1 x DT-1 Duct Mounted Thermostat1 x 220x90mm x 1m Insulated Rectangular Duct1 x Air Quality Sensor - AQS1 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan1 x TD Mixvent 1200/315 EEXEIIT31 x Duct Mounted Filter Box - 500mm - M6 grade Bag filter1 x Soler & Palau TCBB/4-315/H - IP441 x HQS Bathroom Axial Flow Fan - 125mm1 x Duct Split Rings (Pair) -630mm1 x Raptor SDA350/4-1AC1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 200mm1 x ISOR 250 EC 201 x Belt Drive Cased Axial Fan - 560mm - H version1 x DEF-800AN1 x AL 355 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Soler & Palau - HCBT/4-900/H - IP551 x Atex Inline Fan 180mm - ERM18EXE1 x Contactor Interface Station - CI91 x 220 x 90mm Duct to Duct Connector for use with Insulated Thermal Ducting1 x Digital Room Thermostat - DRT1 x CC-314 M Cased Axial Fan (Single Phase)1 x Duct Mounted Filter Box - MINICELL F7 Grade Panel Filter 300mm Spigot1 x Elta SLC900/8-3AC1 x Differential Pressure Switch - 20 - 300 Pa - IP65
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 10.53

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