• Model:FSAF-400

FSAF400B1DA Silencer 450/8

£ 208.79 (excl. VAT)

£ 250.55 (inc. VAT)

Circular attenuator suitable for direct connection to 400mm cased axial fans

Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan drilling detail. Inner bore is manufactured from perforated galvanised steel spiral tube retaining a 45 kg /m³ density acoustic media with a surface particulate membrane.
1 x Balance S Diffuser - NO RING - 100mm1 x *VORT HRW 30 MONO Evo HCS - Single Room Heat Recovery Unit,1 x Elta SLC1000/8-3AC - IP551 x Spiral Ducting 1 meter - 160mm1 x Metal Inline Fan - VENT-250NK1 x Flexible PVC Ducting - 204x601 x Soler & Palau - HCFT/4-1000/L-X - IP551 x 100mm Round Connector1 x HD Series Control Damper - 2000mm X 1000mm1 x HRB/6-630-25-BPN1 x Kitchen Extract Grille with Grease Filter - 280x185 - CEF NO GRILL BOX1 x Duct Clamps box of 50 - 60mm - 270mm1 x GENIOX 11 Roof Mounted External Unit1 x DA 18/18 Feet1 x 125mm Thermal Duct to Duct Connector - SST-125-DDCON1 x Jetflow-HIT Metal inline - 100mm1 x Acoustic Box Fans (Inline) - CAB-355 RE1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x Raptor SDA500/46-3AC1 x Elta SLC1000/6B-3AC - IP551 x Ducting T Piece Equal - 125mm1 x KVK SLIM 160 EC - Centrifugal Circular Duct Fan1 x Ducting T Piece Equal - 150mm1 x 110 x 54mm Flat Channel Connector1 x FAST-TRACK RANGE 75mm - Adjustable Air Restrictor1 x Multiflow SMB450/4-1AC1 x Soler & Palau - HCBB/2-315/H - IP651 x Silent 100 Window Kit - windowS1 x Metal Inline Fan - VENT-400K - T (3 Phase)1 x Male Ducting Connector - 150mm1 x Classic SAX23/9A Window/Wall Mounted1 x Acoustic Box Fans (Inline) - CAB-1501 x Helios HQW-400/4 - IP551 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x HRB/4-450-35-BPN1 x Flat Roof Terminal -OFT 5 - Asphalt1 x Male Ducting Connector - 250mm1 x KABT High Temp Acoustic Kitchen Fan & Inverter Kit - KABT/4-3000/315 ND - Pack 11 x Ducting 90 Degree Bend - 300mm1 x Soler & Palau - HCBB/6-400/H - IP651 x CTI CVA-N 500/560 Outdoor cover for CVAB/T Fans1 x Spigot plate - 150mm1 x Air Quality Sensor - AQS1 x Hydor HPA400/6-1A1 x Purlin Box 630/710 for RAW Cowls1 x Curved boot - 500mm1 x EC Trickle and boost module - IP561 x DA9/7 Feet1 x 150mm - 100mm Stainless Steel Ducting Reducer1 x CTI CVA-N 250/315 Outdoor cover for CVAB/T Fans1 x CBT-130N Centrifugal ATEX II 2G Exd IIB T41 x Elta SCP450/4-1AC - IP551 x Soler & Palau TCBT/6-800/H - IP65
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 ...