XAGMODSHN 50pcs Humidifier Sticks Cotton Filter Refill Replacement Wicks for Portable USB

Replacement cycle: After 3-4 months of use, the humidifier filter should be replaced according to the water so as to keep the clear and the sprayed water Easy to use: just cut the humidifying stick to a suitable size and put it directly into the humidifier, or you can completely soak the replacement stick in water before putting it into the humidifier to the filtering 50 pieces per pack: sufficient number of humidifying sticks, so you don't need to purchase extra for a period of time, keeping the indoor space all the time Tailorable: cotton, soft and convenient for you to cut according to your needs, insoluble in water, non-stick, excellent water absorption effect Humidifier special: cotton, natural without bleaching, has good water absorption, absorbs flying or sediment invisible to the eye, and purifies the space in