Features:<br> Material: Made of sponge, they are practical and safe for human.<br> Application: The filter cotton is used in the nasal suction device to filter nasal mucus and impurities, etc.<br> Easy Operate: It is easy to operate, simply replace your old filter with new ones.<br> Universal: Can be used with a variety of nasal suction devices.<br> Quantity: 1pack has about 100pcs filters, can meet your daily need.<br> Specifications:<br> Item type: Nasal aspirator filter<br> Material: Sponge<br> Color: Random color<br> Size: About 12 x 10mm/0.47 x 0.39inch(diameter x thickness)<br> Package includes: Mechanical bidet<br> 100pcs/packx Nasal aspirator filters<br> Notes:<br> Transition: 1cm=10mm=0.39inch<br> 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!<br> 2. Please allow 1-3cm measuring deviation due to manual measurement.