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1 x RDS 2 Helios Transformer Controller With Motor Protection1 x FU 15 16 Frequency Inverter1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x RTRDU 3 Phase Trickle & Boost 5 Step Speed Controller - 7 Amps1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Raptor SDA500/4-3EC1 x Mounting Feet (Pair) for SLC-500-060B-05001 x Duct Suspension Rings - 100mm1 x RTRD - Three Phase Speed Controller - 14 Amp1 x Elta Variable Speed Drive IP66 - 5.5KW1 x RTRDU 3 Phase Trickle & Boost 5 Step Speed Controller - 4 Amps1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x MK 630 MOUNTING FEET (PAIR) for AMD Fans1 x Frequency converter RUCK - FU 075 211 x RDS 1 Helios Transformer Controller With Motor Protection1 x FU 15 40 Frequency Inverter1 x FRQ5-10A Inverter Speed controller1 x FU 075 04 Frequency Inverter (IP20)1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Three Phase Transformer controllers - RMT 2.5 Amp1 x Helios VDS-7 Three Phase Transformer 5-Step1 x Frequency converter RUCK - FU 075 201 x 204x60mm x 2m Low Profile Plastic Ducting - 2 Meter1 x Elta SLC630/4B-3AC - IP551 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x G4 duct mounted panel filter 595 x 595 x 97mm1 x 204x60mm Elbow Bend with 125mm Fixed Spigot1 x Ancillary Pack for SB-CYL 500 model1 x Soaker Sheet to suit RA630/7101 x MTP 10, 10K, Speed control1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Ancillary Pack for SB-Biflow 315 model
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...