50PCS Adult PM2.5 Filter Insert 5 Layers Replaceable Anti Haze Masks Filter Paper

Sale price £19.00 Regular price £25.00

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Product Name: PM2.5 mask five layers of filter paper
Quantity: 50PCS
Size: 4.5 "x 3.14" (11.5cm x 8cm)
Fabric: pure cotton
Weight: 23g = 0.05lb
Category: filter paper
Reusable: No
Medical standard: None