Sierra gasoline filter/water separator

NIRO built-in tanks with flange plate (except 21 32 and 50 liter vertical tanks) Return and vent. Underside fitted with 1/4” drain plug. Prepared for installation of the tank gauge (TFX/VDO) (except for the 21 l tank). Material thickness up to the 90 liter tank: 1 mm. Material thickness of the 120 liter tank: 1 2 mm. Tanks from 50 ltr. are equipped with a baffle plate. The capacity of these tanks is calculated on the basis of right-angled corners therefore without taking the bend radius into account!