* Beveled whistle tip and offset eyes promote maximum evacuation and help reduce mucosal trauma. Pediatric sizes (6Fr, 8Fr and
10Fr) have a rounded or 'DeLee' tip
* Adult sizes (12Fr and 14Fr) have whistle tip and are 22 inch long and graduated for measuring proper depth insertion
* Pediatric sizes (6Fr, 8Fr and 10Fr) are 16 inch long, and graduated for measuring proper depth insertion