Delta Plus Conic disposable polyurethane foam earplugs SNR 36dB (500 pairs dispenser refill) Slippers Moisture-wicking inner lining

Moisture-wicking inner lining

Flattering small heel for extra height

Waterproof PU/mesh upper

- 300oC temperature resistant outsole

Delta Plus Conic disposable polyurethane foam earplugs SNR 36dB (500 pairs dispenser refill) Slippers Moisture-wicking inner liningRefill pack of 500 pairs disposable polyurethane earplugs, for use with CONICDISPLAY. EN352 2: 2002 Hearing protection : Earplug SNR 36 dB Average noise attenuation H 34 High frequency attenuation M 34 Medium frequency attenuation L 31 Low frequency attenuation 7 12 mm Dimension USA STANDARDS ANSI S3. 19 1974 American National Standards Institute NRR 33 dB NRR (Noise Reduction Rating Noise Reduction Rating) This standard specifies the test method for