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Septic tanks & BIOLOGICAL sewage tanks
Biological sewage tanks are designed to collect household sewage from farms without access to the sewage system.
![osadnik gnilny](https://www.delfin-polska.pl/wp-content/uploads/2020/08/osadnik-gnilny-e1598262521954.jpg)
SEPTIC TANKS – DELFIN PREMIUM
![Delfin max](https://www.delfin-polska.pl/wp-content/uploads/2020/08/Delfin-max-e1597303509553.png)
CESSPOLS – DELFIN MAX
Biological sewage tanks are designed to collect household sewage from farms without access to the sewage system.
SEPTIC TANKS – DELFIN PREMIUM
CESSPOLS – DELFIN MAX