Check the listing for details. Moldex 6800 Purafit Tapered Earplugs Soft Foam NRR33 Uncorded Quantity. Color: Bright Green, Condition: New. Listed at 7.99 USD. Moldex 6800 Purafit Tapered Earplugs Soft Foam Uncorded Select Qty in PairsNRR 33. Highest independently tested NRR available. Great for Racing, Shooting, Sleeping, Studying, Power Tools, Rock Music Concerts and more.Pura-Fit® is independently tested to ANSI S3.19-1974 by Michael & Associates, Inc., State College, PA. So you know you’re getting excellent protection against industrial noise.Features100% PVC-Free. Highest Independently tested NRR 33.Tapered for easier insertion.Improved, softer foam for maximum comfort.Hygienically packaged in biodegradable paper pouches.Non-irritating, smooth surface.Longer length for easy fitting and removal.The bright green color is a trademark of Moldex-Metric, Inc. and also provides easy compliance checks.