DuPont TY122SWHLG0025NF Tyvek 400 Hooded Chemical Resistant Coveralls, Size L, White, Pkg of 25 4YVR9 Pairs Per Package 500 Compatible Pairs Per Package 500 Compatible Dispensing System One Touch(TM) Item Ear Plug Dispenser Refill Color Yellow Series E A Rsoft Standards CSA Class AL Cord Options Uncorded Metal Detectable No Insertion Method Roll Down Earplug Color Yellow Earplug Pair Pack Type Loose Earplug Shape Bullet Earplug Material Foam Earplug Packaging Bulk Box Refill Type Cartridge Refill Compatible with Manufacturer Model Number 391 0000 Noise Reduction Rating 33 dB Reusability Disposable Includes Dispenser Lower Resistance Limit 1 megaohm Coverall Style Hooded Coverall Hooded Chemical Resistant Coveralls