1 x KVK Silent 355 Centrifugal circular duct fan1 x Elta SCP500/4-1AC - IP551 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x EM 250-E2M 01- Etamaster-2501 x HRB/6-400-APN1 x Elta SPA500/4-1EC - IP541 x HRB/4-400-BPN1 x CAB-125 ECOWATT Energy Efficient Acoustic Box Fan1 x Acoustic MiniBox Fan - MINI-BOX 1251 x HRB/6-500-25-APN1 x Elta SCP500/4-3AC - IP551 x Soler & Palau - HCBB/4-400/H -IP65 - BFLOW1 x HRT/4-400-BPN1 x Helios HQW-400/4 - IP551 x AL 500 D2 01 AXIALINE - High Performance Long Cased Axial Fan1 x HCBT-4/500-H - Three Phase 400v Only - 56033228001 x KVK Slim 355 - Low profile Semi Acoustic Box Fan1 x Elta SPA400/46-3AC - IP541 x *TD EVO-100 - Environmentally Friendly Inline Fan*1 x Elta SCP500-1EC - IP551 x LINEO 315 QUIET1 x KVK SLIM 355 EC - Centrifugal Circular Duct Fan1 x EM 150L-E2M 01- Etamaster-1501 x Elta SPA500/4-1AC - IP541 x HRB/4-500-35-BPNC1 x Soler & Palau - HCBT/4-400/H - IP651 x Helios SB-125-C SilentBox Acoustic Inline Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF315/4-1AC - Single Phase1 x CC-800-5.5kw1 x 220x90mm Insulated Rectangular T-Piece1 x Quietflow SQSDCV400-1ECL - Centrifugal Box Fan1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Male Ducting Connector - 560mm1 x Jetflow-HIT Metal inline - 125mm1 x Female Ducting Connector - 355mm1 x Soler & Palau TCBT/4-800/H - IP651 x 204 x 60mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x JETLINE-315 - In Line Centrifugal Duct Fan1 x Helios HRFW 500/41 x Soler & Palau - HCBT/4-250/H - IP651 x Elta SCP250-1EC - IP55
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 10.53

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