FIELD: non-positive-displacement pumps.
SUBSTANCE: device (100) comprises main housing (10), closing housing (3) secured in main housing (10), and filtering mat (6). Main housing (10) has at least one spring member (50) for engaging in opening in the wall of the housing, at least one spring member (50) mounted only on top side (12) of main housing (10), and at least one clamping wedge mounted on opposite bottom side (14) of main housing (10). Filtering mat (60) is mounted on main housing (10) and/or register for permitting changing without tools.
EFFECT: enhanced convenience.
31 cl, 46 dwg
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