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  Ducting Reducers – From 80mm to 250mm

  £9.56 – £11.55 inc. VAT Select options
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  Replacement Filters for Heat Recovery Ventilation Units

  £15.82 – £35.65 inc. VAT Select options
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  Straight Ducting Connector

  £8.57 – £10.55 inc. VAT Select options
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  DHV-04/100B Heat Recovery Ventilation Unit

  £228.09 inc. VAT Add to basket
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  DHV-15B Heat Recovery Ventilation Unit

  £409.19 inc. VAT Add to basket
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  DHV-15B Heat Recovery Ventilation Unit with Auto Bypass Function

  £648.04 inc. VAT Read more
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  DHV-25N Heat Recovery Ventilation Unit

  £569.81 inc. VAT Add to basket
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  3 Speed Manual Controller – DCS-3S

  £24.79 inc. VAT Add to basket
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  Ceiling Air Valve

  £9.22 – £17.80 inc. VAT Select options
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  Equal Tee

  £11.47 – £14.16 inc. VAT Select options
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  External Wall Grille

  £10.40 – £16.01 inc. VAT Select options
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  Fasteners for Ducting

  £6.89 – £19.79 inc. VAT Select options