If flexible invert levels are necessary, risers are available for deeper installation requirements and are sold separately. When rises are in use, they are necessary on both the inlet and outlet sides of the Vento septic tank.
Each riser is 180mm high and can be used to a maximum height of three risers.
Diameter = 400mm
- Offloading is the Customers responsibility
- Delivery dates are subject to change with respect to product availability