A washing machine comprising: a washing tub (10) wherein a rotatably drum (20) is mounted, adapted to contain garments to be washed, a washing fluid comprising water and one or more detergent substances to be delivered into the tub (10) and the drum (20); an outlet conduit (40) connected, through its end portion (50), to the tub (10) for conveying the washing fluid outside of the tub (10); a recirculation circuit (60) comprising a first conduit (61), a recirculation pump (62) and a second conduit (63), wherein: the first conduit (61) connecting the end portion (50) of the outlet conduit (40) to the recirculation pump (62); the second conduit (63) allowing a connection between the recirculation pump (62) and the tub (10); the recirculation pump (62) is configured to draw the fluid from the tub (10) through the first conduit (61) and to feed the fluid back in the tub (10) through the second conduit (63).