Impact MEI-1LL, Open Ear Insert, Left Ear Large Quantity in Basket: None Code: MEI1LL Price: $10.00 Shipping Weight: 1.00 pounds Quantity: Impact MEI-1LL, Molded Gel Open Ear Insert, Left Ear, Large. For use on all Acoustic Tube Accessories. Available for Left or Right Ear, In Small, Medium & Large Sizes.