Each order has 30 filter inserts. The filter is designed to fit your nose and chin better. The texture of the filter is different on both sides. One side is softer, fuzzier, and has some static to it that allows it to grip on to fabric face masks and stay put. The other size has a smoother texture which is the side touching your face.

SIZE: This filter insert will fit inside most adult masks. HOW TO: Easy to use with instructions on the packaging. SPECIAL TEXTURE: The filter is specially designed to grip onto the insides of fabric masks so no worries if you don't have a pocket to insert the filter!. DESIGN: Designed in a V-shape for a better fit. 30 filters for a month of safety!.

Best Sellers Rank: See Top 100 in Health & Household. Unit Count: 30.00 Count. Model Name: HEPA11. Color: White. Brand: maskfactory. Size: 10 Count. : B08Q6CMRF1. Manufacturer: Creatif Global LLC. Date First Available: December 9, 2020. Package Dimensions: 5.75 x 4.21 x 0.67 inches; 1.45 Ounces.