3M 391-1005 Ear Plug Dispenser Refill, Dispenser Refill, Bullet, 33 dB NRR, Uncorded, Roll-Down, Disposable 6FHX4 (1) 7/16 in No Wobble

(1) 7/16 in No Wobble Arbor

Steam Pressure 150 psi WSP

They feature a tongue and groove adjustment type

a single piece ratchet

Chemical Base Polymerized Vegetable Oil

3M 391-1005 Ear Plug Dispenser Refill, Dispenser Refill, Bullet, 33 dB NRR, Uncorded, Roll-Down, Disposable 6FHX4 (1) 7/16 in No WobbleEar Plug Dispenser Refill, Product Type Dispenser Refill, Noise Reduction Rating 33 dB, Insertion Method Roll Down, Reusability Disposable, Earplug Shape Bullet, Earplug Pair Pack Type Loose, Earplug Size L, Pairs per Package 400, Earplug Color Yellow, Metal Detectable No, Refill Type Cartridge Refill, Cord Options Uncorded, Earplug Material Foam, Standards ANSI S3. 19 1974, Compatible Grainger Part Number 3FU82, Compatible with Manufacturer Model