CPX Closed tanks 1200-6000 litres.
Closed septic tank 2100 litres for above ground use The 2100 L MK-tank is used for closed septic systems above ground. The tank must be places on a plan smooth surface to avoid damage for the tank. If placed under a house the heigt should be minimum 1 meter. Remember that it is your responsibility to make sure usage of the tank is admitted in your location. Check with city government.
Make sure the tank is ventilated with pipe mimimum 110 mm to avoid damages when emptying!