Wire Shelving Mega Sale Coupon – Take 15% off on Wire Shelving Products at Shelving.com (Code: MEGA15 at checkout). Coupons cannot be combined with any other offers and expire on July 13th. Excludes Metro and Olympic brand products. Need more storage in your business, basement, or garage? Be sure to take advantage of this wire shelving mega sale! Shop items like chrome wire shelving, wire utility carts, and shelf liners.