1 x HRB/4-500-35-BPNC1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x JETLINE-315 - In Line Centrifugal Duct Fan1 x Elta SPA500/4-1AC - IP541 x Raptor SDA500/6-1AC1 x Classic SAX30/12A Window/Wall Mounted1 x Singleflow SSDL250-1EC1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT630/4-3AC1 x Helios HQW-500/6 - IP551 x HRB/4-500-25-BPN1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT400/4-3AC1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF500/4-3AC - Three Phase1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x HXP500/4-1 - 4 Pole - Single Phase1 x Soler & Palau TCBT/4-315/H - IP441 x Soler & Palau TCBT/2-315/H-B E70 - IP551 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT350/4-3AC1 x HRT/4-500/25-BPN C1 x Elta SCP500/4-1AC - IP551 x Axial Roof mounted Extract/Supply Fan- -HCTT/4-1000-B 5.5kw1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF315/4-1AC - Single Phase1 x Elta SCP500/4-3AC - IP551 x CC-314 M Cased Axial Fan (Single Phase)1 x HRB/4-500-30-APNC1 x Elta SLC315/4-3AC - IP551 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-3AC - Three Phase1 x HXP500/4-3 - 4 Pole - Three Phase1 x AL 500 D2 01 AXIALINE - High Performance Long Cased Axial Fan1 x MV-Silent 250 Bathroom Extractor Fan Kit - Timer1 x Male Ducting Connector - 100mm1 x Jetflow-HIT Metal inline - 125mm1 x 110 x 54mm Low Profile Plastic Ducting - 2 Meter1 x Belt Drive Cased Axial Fan - 500mm - L version1 x Elta Unpodded Silencer 1D-500mm
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 10.53

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