Breathing Valve Mask Respirator Accessories Filter

Breathing Valve Mask Respirator Accessories Filter Specification: 100% brand new & high-quality Material: PP Pattern: plain Scope of use: mask accessories breathing valve Dimensions(Approx.): outer 36.5mm, inner 27.4, height 10.0mm Color: black, white Product List: 10pcs breathing valve accessories (optional quantity) Please note that this model does not include masks! !! Notes: 1. Due to different computer monitors, real objects may appear chromatic aberration. 2. Due to manual measurement, if there is a normal error of 1-3mm, please understand.