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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.

Clearwater BioTec E3 Sewage Treatment System (up to 18 population)
Clearwater E3 Sewage Treatment System (up to 18 population)
Regular price
from £4,271.80
Sale price
from £4,271.80
Regular price
£4,321.00
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 BioTec 3 - P18 (up to 18 people)
Regular price
from £5,016.00
Sale price
from £5,016.00
Regular price
£5,125.00
Unit price
per 
Sold out
Klargester BioFicient 4 (up to 13 bedrooms/15 person)
Regular price
from £5,560.00
Sale price
from £5,560.00
Regular price
Unit price
per 
Sold out
Klargester BC BioDisc Sewage Treatment System (up to 18 person)
Regular price
£7,277.00
Sale price
£7,277.00
Regular price
Unit price
per 
Sold out
Tricel Vento Septic Tank 4000l (up to 12 person)
Regular price
from £1,311.00
Sale price
from £1,311.00
Regular price
£1,520.00
Unit price
per 
Sold out
Clenviro MATRIX CLF3 Sewage Treatment System (up to 18 person)
Regular price
from £4,472.00
Sale price
from £4,472.00
Regular price
Unit price
per 
Sold out
Clearwater Delta 3 Sewage Treatment System (up to 18 person)
Regular price
from £6,522.00
Sale price
from £6,522.00
Regular price
£6,980.00
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