The Water Fountain Filter Sponges keeps water tasting fresh. Made of for durable and practical use. It can effectively filtrate impurities in the water, offering considerate care. Perfect for keeping your Greenhouse plants healthy. Features -Color:Black -Material:Sponge -Size:3.00X2.50X0.50cm/1.18X0.98X0.20in -It can effectively prevent the blocking of water fountain caused by debris. Removes bad odor in the water. -It can help you have better drinking water and make your Greenhouse plants healthier. Useful in your daily life. -Make your Greenhouse plants getting healthier water, an to keep the water fresh in your daily life. -The design of the filter elements prevent larger impurities, ensuring a fine filtering effect. - This greenhouse Water fountain Filter sponge is large enough that you can share it with your friends and it's easy to store. Package list: 120 x Filter sponges