passive

The 3M 1436 Folding Earmuffs (330-3044) features a folding earcup design that proved compact storage when not in use. The adjustable headband allows you to find the best possible fit. The 3M 1436 Earmuffs have soft, foam-filled ear cushions that seal around the ear and provide a high level of hearing protection. The wide ear cups will fit any ear size. Perfect for those in high-noise areas including gun ranges, construction sites, manufacturing plants and more.