Earplugs 564 Longdar - Taiwan
- ANSI S3.19 standard noise reduction level of 27dB
- Standard EN352-2:2002 sound pressure reduction level of 28dB
- Made from soft rubber, with neck strap.
- 4-layer structure enhances noise blocking effect.
- The handle easily inserts the earplug into the ear canal.
- Manufacturer: Longdar - Taiwan
- Anbaco imports from the manufacturer

AB311A / Anbaco (Vietnam)
- Soft and flexible PVC material
- Can be used many times
- Sound reduction level: 23dB
- Manufactured by An Bac

Max-30 / Honeywell
- Material: Polyurethane Foam
- Bell-shaped design easily seals the ear
- There is a wire connecting the 2 buttons to avoid falling off while working.
- Weight: 0.59 grams
- Noise reduction: SLC80 = 26 dB/ Class 5
- Noise filtering ability (NRR): 33dB