Call our friendly team for expert advice on 01388 537 050

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Over 25 years experience in waste water & sewage treatment.

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If you find the same product cheaper elsewhere, we'll match it.

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On all orders placed before 4pm when items are in stock.

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Direct Drainage are an authorised reseller for major manufacturers.

Klargester BioFicient 1 (up to 4 bedrooms/6 person)

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Get it when you need it

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  • Product
  • Promo T's & C's
  • Free Delivery

Get an exclusive 3 year extended warranty on your Klargester BioFicient only with Direct Drainage.


Best Price Guaranteed Free UK Delivery  Sewage Treatment


 Kingspan Klargester BioFicient Product Guide

 Kingspan Klargester BioFicient EN 12566-3 Certificate (PE)

 Klargester BioFicient 1 Gravity Drawing

 Klargester BioFicient 1 Pumped Drawing

The Klargester BioFicient 1 Sewage Treatment System is designed for shallow-dig applications allowing for an unobtrusive below-ground installation with the option of adding 500mm extension necks. The packaged system comes complete with control panel, loss of pressure alarm and blower. The BioFicient 1 can be supplied suitable for gravity discharge or with an integrated pump system if required.


The BioFicient is a highly economical and reliable solution for your sewage treatment needs with low running costs, the BioFicient is easy to maintain, with the high performance you'd expect from a Kingspan Klargester.


How does a Klargester BioFicient work? Find out here.

      Give our friendly team a call on 01388 537 050 or email sales@direct-drainage for more infomation, or visit the Kingspan website.


      Effluent Quality: BOD5: 20 mg/l NH4: 0.4 mg/l SS: 27 mg/l


      Customers who purchase a Klargester sewage treatment system (up to 12 person) that is eligible for the free first empty promotional campaign must arrange their empty with us within 1 year from the date of the tank being delivered to site. Proof of purchase must be presented upon booking the free empty.

      Tanks included in this promotion are linked below:

      Klargester BA BioDisc

      Klargester BA-X BioDisc

      Klargester BB BioDisc

      Klargester BioFicient 1

      Klargester BioFicient 3

      Klargester BioTec P6

      Klargester BioTec P9

      Klargester BioTec P12

      See the full range of sewage treatment systems included in this deal here.

      This promotional offer is a limited time deal available for tank orders placed between 1st March and 31st May.

      Emptying is subject to availability in Scotland and Wales. In leu of a free empty, we will provide a voucher to the value of £185 for future purchases on Direct Drainage. Please note: Voucher expires 1 year from issue.

      The Klargester L range is excluded from this promotion.

      If you are unsure on anything or if you would like to book in your free empty please give us a call on 01388 537 050 or email

      Free Delivery is available to the whole of the UK Mainland (including Scotland) and is subject to suitable access for a large goods vehicle. 

      This product is delivered to the kerb and it is the customers responsibility to provide suitable mechanical offloading facilities (eg. Loader or Excavator) to offload this tank safely. If we can do anything to make your purchase more accommodating call our friendly team on 01388 537 050 or email prior to placing your order.

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