| Cat. No. | Circuit Type | Size |
| BT4510 | Corrugated | Adult, Pediatric, Infant, Neonate |
| BT4511 | Extendable | Adult, Pediatric |
| BT4512 | Smoothbore | Adult, Pediatric |
| Optional Items | Available or Regular Specification |
| Anesthesia Breathing Cuff | Latex-free,Latex,Silicone |
| 2-Way connector | 22M-22M |
| Filter | HMEF.BV |
| COz Sampling line | 3m |
| Extra Limb | 0.4m |
| Pressure Monitoring Line | 3m |
| Mask | PVC, Soft PVC, Silicone |
| Catheter Mount | Normal, Extendable, Reinforced |