Max Uncorded 33 dB Earplugs 200 PairHoward Leight Max Uncorded Earplug. 33 dB. Sold 200 Pair Box. Howard Leight Max Earplug Uncorded. NRR 33db. Single use earplug. Dermatological safe foam is non irritating. Self adjusting foam provides comfort with low pressure seal. Manufacturer: Howard Leight Product Name: Max Uncorded 33 dB Model: EAR08D MAX 1 Marketing Information: Howard Leight Max Earplug Corded. NRR 33db. Single use earplug. Dermatological safe foam is non irritating. Self