|*Offer applies to cart totals before any taxes or shipping charges are applied. Offer not valid for customers that have negotiated pricing or freight contracts. Offer expires 11:59 EST on 5/31/14. Excludes Set & Save Auto Delivery subscriptions. Not valid with any other offer. Offer only applies to E-A-R by 3M, 3M, Peltor by 3M earplugs and earmuffs. One time use per customer.