Hygiene kit premium – uvex K-Series Ear muffs stay as good as new if you replace the earpiece pads from time to time. This promotes good cost management and is environmental friendly. Replacing the pads is straightforward and simple, while ensuring high standards of comfort and hygiene. Each set contains a pair of soft, snug fitting replacement pads of memory foam. Art. no. 2599.972 for model uvex K2, uvex K3 and K2H Retail unit 1 set