3M 1100-BT Earplug Refill Bottle (500 Pairs/Bottle)

Easy to roll down and insert, their tapered design helps provide a noise-reducing seal in the ear canal. Made with a soft, hypoallergenic foam they react and soften with your body temperature offering a longer more comfortable wear. Fully tested and approved against EN 352-2 they can reduce noise levels by 37 dB.

• Bullet shape design provides a smooth dirt resistant surface
• Soft hypo-allergenic foam delivers all day wearer comfort
• SCL80 21dB (Class 3)
• Each dual-element microphone connects to probed test plugs, test pods, or cushions and measures sound pressure levels outside and inside the hearing protector
• Available with probed feature for use with 3M™ E-A-RFit™ Dual-Ear Validation System

Dimensions:

• Length = 28
• Width = 28
• Height = 20