3M H510P3E-405-GU Peltor Optime 1 Helmet Attach Ear defenders

Soft wide cushions helps reduce pressure around the ears and improves comfort and wearability Large space inside cup helps reduce moisture and heat build-up Easy to replace cushions and inserts helps keep them hygienically clean Large space inside cup helps reduce moisture and heat build-up SNR=26dB, H=32dB, M=23dB, L=15dB Fits Scott Tuffmaster & Scott Style 300 helmets