Life/form® Child Replacement Trachea Inserts by Nasco Healthcare $161.95 LF00994 C Life/form® Child Replacement Trachea Inserts / LF00994 C / Cart Title Life/form® Child Replacement Trachea Inserts Product ID LF00994 C CheckoutType Cart Add to cart Pkg. of 6. Includes four rigid and two soft inserts. To be used with Life/form® Cricothyrotomy Simulator (LF00994U).