ΦΙΛΤΡΟ ΕΠΙΣΤΡΟΦΗΣ 901410 Big return filter (oil tanks 75,120, 140, 165 litres) 901510 Small return filter (oil tanks 30, 50 litres) Spin-On Filters 904110 In line return filter 3/4" spin-on. 904210 In line return filter 1 1/4" spin-on.