NRR: 29dB SNR : 29dB;
the material is waterproof, no irritation to skin, easy to use and sanitary;
slow rebound PVC material, low pressure on ear canal, more comfortable to wear;
the material is flame retardant, and can’t burn in case of spark, so it is suitable for welding;
dark blue connecting rope is 62cm long;
package: 200 pairs / box, 10 boxes / box = 2000 pairs.
shape: Cylindrical type
3M 311-1101 cylindrical cord earplug (snr28db)
$0.31
- order number: 1011004
- manufacturer model: 311-1101
- package specification: 200 pairs / box, 10 boxes / box
- shape: cylindrical
- material: PVC
- connecting line: Yes
- NRR: 29dB
- SNR: 29dB
- can be reused: Yes
- Color: Yellow
- shelf life: 3 years
- origin: USA
Description
Additional information
| Brand |
3M |
|---|
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