Howard Leight MTX-OR-LS4 Single Use Matrix™ Cylinder Shape TPE (Thermoplastic Elastomer) Foam Uncorded Earplugs (200 Pair Per Leight Source 400 Dispenser Refill)

Leight™ Source 400 Matrix™ Earplugs Dispenser Refill saves time and space and the Earplugs feature a patented no roll foam that provides great comfort. Plugs have a small diameter with a smooth outer skin and offer three levels of attenuation. It blocks the harmful noises letting the voice to pass through and can be used in automotive industry, aviation and forestry, building construction, furniture manufacturing, landscaping and more.

Howard Leight™ has been a brand of Protective Industrial Products (PIP Global Safety) since May 2025; it was previously sold as Howard Leight by Honeywell.

Features

Patented no-roll foam Smooth outer skin and reduced diameter provide long-term comfort Delivers instant protection upon proper insertion – no need to wait for foam to expand Uniform attenuation profile blocks out noise while voice frequencies can be heard more naturally Three attenuation levels allow for targeted attenuation for a variety of applications Bulk refills for Leight™ Source 400 and Leight™ Source 500 earplug dispensers save time, waste and space

Specifications

Meets ANSI S3. 19-1974 Standards
OSHA 29 CFR 1910. 95

Applications

Agriculture and farming Automotive Aviation Building construction Forestry Furniture manufacturing General contracting Heavy construction Landscaping Lumber/Wood Products Manufacturing Metal fabrication Military and law enforcement Mining Petrochemical Pulp and paper Sporting Steel Transportation equipment Utility/waste management Automotive Aviation Building construction Forestry Furniture manufacturing General contracting Heavy construction Landscaping Lumber/Wood Products Manufacturing Metal fabrication Military and law enforcement Mining Petrochemical Pulp and paper Sporting Steel Transportation equipment Utility/waste management

Product Attributes

Design
» Cylinder

Safety Product Type
» Uncorded Earplug

Material
» TPE (Thermoplastic Elastomer)

NRR
» 29

Plug Color
» Orange

Trade Name
» Leight Source 400 » Matrix™