Advanced air pocket design creates a better seal in ear canal with less pressure and that "plugged up" feeling. Features - Internal noise-blocking fins - 4-flange profile - Rounded flanges - Tapered shapes - NRR 27 - 100/Box
100% Satisfaction Guarantee: At Mansion Tools, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Tools in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.