Limited 100 yen off! 6 filters ★ Pure Crystal Half-Circle Filter for Cats ★ Repeat customers will receive a small discount of 50 yen. Please comment with your previous purchase date on the desired product. ★ Our second most affordable unit price. New, Unused Softening Filter GEX Gex Water filter for cats We also have 2, 6, and 12-piece types available depending on stock. The unit price is more affordable when you buy more. We will take the individual filters out of the outer bag, arrange them, and package them in a plastic bag to prevent water leakage before shipping. As shown in the third photo, when compared to the previous version on the left, the fine filtration components such as activated carbon are now more visible. However, according to the manufacturer, this is not dust or mold, but filtration components, so please use them with confidence. The outer bag also states, "The granules visible on the frame are derived from biomass materials. The amount and color of the granules may vary." We are involved in animal welfare activities and also sell other cat supplies. All proceeds are used for animal welfare activities, so please refrain from price negotiations. Thank you for your consideration. Stored in a cool, dark room in a non-smoking household. We have set a longer shipping time just in case, but we usually ship within 1-2 days. (This is because we may be absent for a few days due to sudden caregiving, etc.) For maintaining the health of the lower urinary tract (half-circle type) Removes magnesium and calcium. Ionic.