The cart (2) comprises a lateral face (203) by which it is adapted to be juxtaposed against another cart (3). It further comprises a first pump (64), a second pump (25) disposed below said first pump (64) and laterally offset relative thereto, and a tank (206) adapted to receive a feed container provided to contain said biological liquid, said tank (206) being disposed above said first pump (64) and offset laterally relative thereto. The installation (1) comprises one said cart (2), a filter (58) and a second cart (3), juxtaposed against said first cart (2), and of which the upper face supports said filter (58) such that an outlet point (64b) of said first pump (64) is situated substantially facing an inlet/outlet aperture (58b) of said filter (58).