Septic tank biotech BT 06 is septic tank for treatment domestic waste water for 2 -3 person and the capacity is 800 liter, Our septic tanks are made of fiberglass, proven materials that have been used in various projects with very high quality, our septic tanks are a solution for domestic waste treatment, our septic tanks are environmentally friendly septic tanks with more than 20 years of experience in domestic waste treatment