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13 to 18 persons

Here at Direct Drainage we stock a large range of sewage treatment systems and septic tanks.

Browse the range below to see what is suitable for a household of 13 to 18 people.

Klargester BioAir 5 Economy Sewage Treatment System (up to 15 person)
Regular price
from £2,780.00
Sale price
from £2,780.00
Regular price
£2,944.00
Unit price
per 
Sold out
Klargester BioAir 5 Sewage Treatment System (up to 15 person)
Regular price
from £3,273.00
Sale price
from £3,273.00
Regular price
£2,944.00
Unit price
per 
Sold out
harlequin CAP15 ( up to 15 person)
Regular price
from £4,490.00
Sale price
from £4,490.00
Regular price
£0.00
Unit price
per 
Sold out
WPL Diamond DMS4 (up to 15 people)
WPL Diamond DMS
Regular price
from £2,966.10
Sale price
from £2,966.10
Regular price
£4,148.42
Unit price
per 
Sold out
Tricel Novo UK18 Sewage Treatment System (up to 18 person)
Regular price
from £4,607.00
Sale price
from £4,607.00
Regular price
£4,860.00
Unit price
per 
Sold out
Klargester BioFicient 4 (No Longer Available)
Regular price
£5,140.28
Sale price
£5,140.28
Regular price
£5,560.00
Unit price
per 
Sold out
Tricel Vento Septic Tank 4000l (up to 12 person)
Regular price
from £1,360.00
Sale price
from £1,360.00
Regular price
£1,453.20
Unit price
per 
Sold out
Clenviro MATRIX CLF3 Sewage Treatment System (up to 18 person)
Regular price
from £4,860.00
Sale price
from £4,860.00
Regular price
£5,100.00
Unit price
per 
Sold out
Harlequin CAP18 (up to 18 Person)
Regular price
from £4,790.00
Sale price
from £4,790.00
Regular price
£0.00
Unit price
per 
Sold out
Klargester Gamma Septic Tank 4000L (single stage)
Regular price
£1,463.00
Sale price
£1,463.00
Regular price
Unit price
per 
Sold out
Klargester Gamma Septic Tank 4000L (twin stage)
Regular price
£1,619.00
Sale price
£1,619.00
Regular price
Unit price
per 
Sold out
Klargester BC BioDisc Sewage Treatment System (up to 24 person)
Regular price
£7,015.00
Sale price
£7,015.00
Regular price
£7,225.00
Unit price
per 
Sold out