Mantair Instalation.

Established in 1994 we specialise in off mains drainage solutions, sewage treatment, septic tanks, cesspools. With over 1000 installations throughout Kent, and Sussex with on going support and maintenance.

Mantair approved installer and service enginners - photo of tank being installed.  Link to Mantair website.


Sewage Treatment conversion units for installation into existing tanks and cesspools.


Single or small groups of dwellings with existing site tankage, i.e. Septic Tanks or cesspools


  • Proven performance over many years.
  • The only sewage treatment system on today's market, which can covert existing tankage into a sewage treatment plant, producing an effluent suitable for discharge to a water course.
  • The most economical and easy to install sewage treatment plant on today's market.
  • Does not require the installation of tankage, thus avoiding disturbance of established gardens.
  • Below ground and completely out of sight.
  • This process is not susceptible to clogging and does not smell.
  • Corrosion free construction.
  • No electrical, mechanical or moving parts within the tankage.
  • Minimal maintenance.
  • Patented surge control system.
  • Manufactured by Mantair Ltd.

How Mantair works...