Impact MEI-1RS, Open Ear Insert, Right Ear Small Quantity in Basket: None Code: MEI1RS Price: $10.00 Shipping Weight: 1.00 pounds Quantity: Impact MEI-1RS, Molded Gel Open Ear Insert, Right Ear, Small. For use on all Acoustic Tube Accessories. Available for Left or Right Ear, In Small, Medium & Large Sizes.