DUO-HP Business

Item number: 115DUOHPP6

More than a good impression! The optimal set for high demands and whenever you want to offer your guests or business customers that certain something. Activated carbon filter cartridges connected in parallel ensure double flow and double retention capacity of pollutants. In addition to the high-quality and solid filter block on feet (no drilling required), two particularly powerful GFP Premium-9 filter cartridges, as well as all the hoses and fittings required for assembly are included in the set.

639,00 €

including 17% VAT., no shipping costs

Available now!

Shipping time: 6 - 8 workdays




  • With the parallel filter arrangement, both cartridges see the same water flow.
  • Doubling of the max flow rate and retention capacity compared to e.g. VARIO-HP units.
  • Set is suitable for the filtration of the entire cold water flow at the sink tap, aswell as for the water withdrawal via a separate discharge.
  • Optimized filtering performance by using two powerful GFP Premium-9 filter cartridges.
  • The outstanding filtration results have been proven by many scientific assessments.
  • Important improvement of retention rates at almost the same flow rate compared to the DUO-HP classic set.
  • The high-quality and massive base, made from polyoxymethylen, is manufactured entirely in Germany.
  • No drilling: The filter unit can be located decently under the counter, avoiding any compromise on kitchen design.
  • Cartridge replacement is comfortable and easy with the quick couplings.

Compatible filter cartridges

  • Will be delivered with two GFP Premium-9 filter cartridges:
    • pure activated carbon filter cartridges
    • filter mesh: 0,40 µm; flow rate: 2 * 3.5 = 7 l/min (at 4 bar)
    • very high retention rates for heavy metals, pesticides, drug contaminations and chlorine
    • provides the highest protection against bacteria (see assessments)
  • Compatible to all 9 3/4" filter cartridges. Please use two cartridges of the same type.
  • To filter the entire water flow at the sink tap, the combined flow rate of the cartridges must be minimum 7 l/min.
  • For hygienic reasons, we recommend replacement of the cartridges every 6 months (according to DIN 1988).
  • Do not miss any cartridge replacement, apply for our non-binding and free of charge filter subscription service.



  • The filter unit can be installed, without costly retrofitting, at any standard water connection in the kitchen or in the bathroom.
  • The filtration system can be connected to a standard two-way sink tap, a separate sink tap, as well as a three-way sink tap.
  • Hoses and 3/8-inch fittings are enclosed in the set. As required, these can be extended.
  • Only to be used with cold water and must be protected against freezing.

Scope of delivery

Scope of delivery

This Carbonit DUO-HP Business set contains the following parts
  • one Carbonit DUO-HP (parallel) basic module with two quick couplings (DN 7,2)
  • one device key
  • one inlet hose kit containing:
    • one flexible hose (approx. 80 cm long with straight connections)
    • with an angle valve tee (3/8") on one side
    • and a ball valve with nipple (DN 7,2) on the other side
  • one outlet hose kit containing:
    • one flexible hose (approx. 80 cm long with straight connections)
    • with a ball valve with nipple (DN 7,2) on one side
    • and one 90° compression fitting (10 mm) on the other side
  • two Carbonit GFP Premium-9 filter cartridges




Type of connection: Under counter - existing tap
Width: 280 mm
Depth: 175 mm
Height: 305 mm
Length of the filter cartridge: 248 mm (9 3/4")
Filter mesh (µm): 0.40
Flow rate (l/min at 4 bar): 7
Adsorptive retention rate (Polar pesticides, medical residues, bacteria, ...): >99%
Adsorptive retention rate (Lead, Copper): >93%
Adsorptive retention rate (Chlorine): >99%
Adsorptive retention capacity: 31 m³
Particle retention capacity: 25 m³
Max. useful life of the filter cartridge: 6 months
Blocks bacteria: Yes
Contains: Activated carbon
Material: Grilamid TR 90 POM (Hostaform C 2571)
Length of the hoses: 80 cm
Connection: 3/8" union nut Compression fitting (10 mm)

Ratings (1)

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Total entries: 1
5 from 5 Filteranlage DUO-HP

Wir sind sehr zufrieden mit der Qualität des Wassers.
Der Geschmack hat sich auch verändert.
Der Druckverlust durchs Filtern ist ein kleiner Nachteil, man gewohnt sich aber schnell dran.
Kann Ihre Produkte nur weiterempfehlen.

., 11.06.2019
Total entries: 1
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