Abstract: A water filtering device and system. The system includes: a rod in a reservoir of the water cooler under an inverted, installed water bottle, the rod aligned with a neck of the water bottle; a hollow cylinder having a diameter less than the neck, an open end, and a closed end opposing the open end, the open end having an external flange at a perimeter thereof with a diameter greater than the neck, the closed end configured to removable retain a water filter, the hollow of the cylinder dimensioned to accept a portion of the rod; a cover having a ring-shaped base and a sidewall, the base having an inner perimeter, an outer perimeter with a diameter greater than the diameter of the flange, the sidewall extending from the base at the outer perimeter, the cover configured to receive at least the flange of the cylinder; and a filter.

Abstract: A water filtering device and system. The system includes: a rod in a reservoir of the water cooler under an inverted, installed water bottle, the rod aligned with a neck of the water bottle; a hollow cylinder having a diameter less than the neck, an open end, and a closed end opposing the open end, the open end having an external flange at a perimeter thereof with a diameter greater than the neck, the closed end configured to removable retain a water filter, the hollow of the cylinder dimensioned to accept a portion of the rod; a cover having a ring-shaped base and a sidewall, the base having an inner perimeter, an outer perimeter with a diameter greater than the diameter of the flange, the sidewall extending from the base at the outer perimeter, the cover configured to receive at least the flange of the cylinder; and a filter.