20pcs Breathable Anti-Dust Cover Valve Haze Anti-Pollution Air Breathing Filter Accessories, Flux Valves, DIY Handmade Sewing (black)
Brand: FSHERO
Color: Black
Made of Abs Material, Durable to Use
Features: Replacement, Anti Haze, Face cover Accessories
SizeOuter Size: 40mm x 35mm/1.57" x 1.38" (Approx.); Inner Diameter: 18mm/0.71" (Approx.)
Suitable for sports Face cover , running Face cover , active carbon Face cover , etc.
Shipped in the US, delivered within 2-5 days