LTWHOME Extra Large Natural Cellulose Sponges 7-1/2 Inch x 4 Inch x 2 Inch Non-Scratch Durable Cleaning Sponges(Pack of 12) the other coral side helps

the other coral side helps collect small particles such as dust

We recommend that filter pads should be changed regularly to keep filters effective

Easy to attach with velcro fastening

3 pcs white pads

LTWHOME Extra Large Natural Cellulose Sponges 7-1/2 Inch x 4 Inch x 2 Inch Non-Scratch Durable Cleaning Sponges(Pack of 12) the other coral side helpsPack include: 12pcs. Size: 7. 5 x 4 x 2 Inch (19 x 10 x 5cm). The sponges are made of high quality wood pulp, won t collect bad odor, eco friendly and 100% biodegradable. Soft and flexible, commercial sized great for big jobs, leaving no scratches on delicate items. Endurable for long lasting performance.