Howard Leight Airsoft Corded Ear Plugs in Case 2 Pair. Utilizing advances in acoustical engineering AirSoft ear plugs new internal fins create an interlocking noise-blocking barrier within the air pocket providing dependable attenuation for all wearers upon proper insertion. Air Soft plugs by Howard Leight have new four flange profile that creates a better seal in the ear canal delivering optimal protection and increased comfort for long-term wear Features of Howard Leight Air Soft Ear Plugs Advanced air pocket design features internal noise-blocking fins Four flange profile creates better seal in the ear canal Tapered shape fits better in the ear canal Firm stem facilitates easy insertion and removal Howard Leight Airsoft Plugs R-01521 have a NRR Rating of 27 We offer complete line of Howard Leight Hearing Protection. For our complete selection of products by Howard Leight on sale please visit our Howard Leight page. For more Hearing Protection please visit our Hearing Protection store section. Specifications for Howard Leight Airsoft Corded Ear Plugs in Case 2 Pair R-01521: Manufacturer: Howard Leight Color: Blue/Orange NRR: 27 dB Quantity: 2 Pair Size: One Size Additional Features: Inside The Ear Package Contents: Howard Leight Airsoft Corded Ear Plugs in Case 2 Pair R-01521 Howard Leight Airsoft Corded Ear Plugs in Case 2 Pair R-01521