| NDD EasyOne Sky Spirometer | discountcardiology.com | 2635.91 USD | 2,928.79 USD | −10% |
| NDD EasyOne Sky Spirometer | morningsidemedicalequipment.com | 2799 USD | 2,999 USD | −6.7% |
| NDD EasyOne Air Portable Spirometer | cornellsurgical.com | 2629 USD | — | — |
| NDD EasyOne Air Spirometry System | jakenmedical.com | 2580 USD | — | — |
| NDD EasyOne Air Spirometer Portable & PC Connection | zonamedequip.com | 2415 USD | 2,400 USD | — |
| NDD Easy on PC Spirometry System | morningsidemedicalequipment.com | 2383 USD | — | — |
| NDD Easyone Air Spirometry System | morningsidemedicalequipment.com | 2355 USD | — | — |
| NDD Easy on-PC Spirometer (tablet/computer not included) | jakenmedical.com | 2260 USD | — | — |
| NDD EasyOne Air Spirometer | medisave.co.uk | 2150.99 GBP | — | — |
| EasyOne Pro/LAB - Motor & Valve Block | bemed.com | 1519.52 EUR | — | — |
| EasyOne Pro/LAB - Cart | bemed.com | 1262.91 EUR | — | — |
| NDD Metal Carry Case for EasyOne Pro Spirometers | morningsidemedicalequipment.com | 1117.43 USD | — | — |
| EasyOne Pro/LAB - Flow Sensor | bemed.com | 962.51 EUR | — | — |
| Jährliches Wartungs-Set für EasyOne Pro/LAB | bemed.com | 647.22 EUR | — | — |
| 3-liter Calibration Syringe | bemed.com | 640.21 EUR | — | — |
| EasyOne Pro Stand for Sensor | bemed.com | 532.49 EUR | — | — |
| NDD 3L Calibration Syringe | morningsidemedicalequipment.com | 436.65 USD | — | — |
| EasyOne Pro/LAB - Keyboard Drawer | bemed.com | 417.76 EUR | — | — |
| EasyOne Air - Cradle | bemed.com | 380.1 EUR | — | — |
| NDD Barriettes for EasyOne Spirometers - Case of 100 | morningsidemedicalequipment.com | 273.05 USD | — | — |
| Spirette FA Pro/LAB und Inline Filter | bemed.com | 238.22 EUR | — | — |
| EasyOne Pro/LAB - Board for Printer | bemed.com | 213.7 EUR | — | — |
| NDD FRC Barriettes for EasyOne Pro LAB Spirometers | morningsidemedicalequipment.com | 175.71 USD | — | — |
| NDD EasyOne FlowTube Flowtubes Mouthpieces 200/bx | zonamedequip.com | 150 USD | — | — |
| EasyOne Filter - Spirometer | bemed.com | 140.13 EUR | — | — |
| Filter Spirometer | bemed.com | 140.13 EUR | — | — |
| EasyOne Pro/LAB - DLCO Gas Supply Tube with DISS Connection | bemed.com | 124.36 EUR | — | — |
| Spirette FA Pro/LAB | bemed.com | 113.85 EUR | — | — |
| EasyOne Pro/LAB - O2 Gas Supply Tube with DISS Connection | bemed.com | 109.48 EUR | — | — |
| NDD Spirettes for EasyOne Pro | morningsidemedicalequipment.com | 107.39 USD | — | — |
| FRC Barriette - NDD | bemed.com | 104.22 EUR | — | — |
| EasyOne® FlowTube | bemed.com | 91.97 EUR | — | — |
| DLCO Barrietten | bemed.com | 80.57 EUR | — | — |
| Syringe Adaptor for NDD Spirometer | medisave.co.uk | 76.99 GBP | — | — |
| EasyOne Air - Battery Pack | bemed.com | 67.44 EUR | — | — |
| Spiretten™ | bemed.com | 63.06 EUR | — | — |
| Inline Filter - NDD | bemed.com | 50.8 EUR | — | — |
| EasyOne Air - Power Supply (all countries) | bemed.com | 37.66 EUR | — | — |
| EasyOne FlowTube Calibration Check Adapter | bemed.com | 37.66 EUR | — | — |
| Spirette Calibration Check Adapter | bemed.com | 37.66 EUR | — | — |