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  Ducting Reducers – From 80mm to 250mm

  £9.64 – £11.65 inc. VAT Select options
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  Replacement Filters for Heat Recovery Ventilation Units

  £15.95 – £35.95 inc. VAT Select options
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  Straight Ducting Connector

  £8.64 – £10.64 inc. VAT Select options
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  DHV-04/100B Heat Recovery Ventilation Unit

  £220.00 inc. VAT Add to basket
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  DHV-15B Heat Recovery Ventilation Unit

  £412.63 inc. VAT Add to basket
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  DHV-15B Heat Recovery Ventilation Unit with Auto Bypass Function

  £653.48 inc. VAT Read more
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  DHV-25N Heat Recovery Ventilation Unit

  £574.60 inc. VAT Add to basket
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  3 Speed Manual Controller – DCS-3S

  £25.00 inc. VAT Add to basket
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  Ceiling Air Valve

  £9.30 – £17.95 inc. VAT Select options
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  Equal Tee

  £11.57 – £14.28 inc. VAT Select options
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  External Wall Grille

  £10.49 – £16.14 inc. VAT Select options
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  Fasteners for Ducting

  £6.95 – £19.95 inc. VAT Select options