3M™ Peltor™ Optime™ Comfort Earmuff for Helmet H510P3 (87-98 dB) | 3M United Kingdom
M. G. Safety Ear Muff - Red/Black
MEDca Hearing Protection and Noise Reduction Earmuffs - Lightweight, Adjustable and Foldable NRR 20dB Safety Ear Protection for Shooting, Heavy Machinery Work and Hunting Fits Adults and Kids, Red : Amazon.co.uk: DIY