| The Spirometry Filter Kit (Filter, Mouthpiece & Nose clip) SKU 100756NKNW | carolinadiagnosticsolutions.com | 272.48 USD | — | — |
| The PFT Round Filter Kit (Filter, Mouthpiece & Nose clip) fit: Nspire® PFT, Koko® PFT, Collins® DCll & Body Box or Gas Systems | carolinadiagnosticsolutions.com | 234 USD | — | — |
| The PFT Round Filter Kit (Filter & Mouthpiece) SKU 100758NK | carolinadiagnosticsolutions.com | 223.6 USD | — | — |
| Carefusion/ Vyaire/ SensorMedics Round Filter Kit | carolinadiagnosticsolutions.com | 223.6 USD | — | — |
| Medical Graphics Round Filter Kit SKU 100760K | carolinadiagnosticsolutions.com | 223.6 USD | — | — |
| Carefusion/Vyaire Elliptical Filter Kit with Noseclip | carolinadiagnosticsolutions.com | 206.96 USD | — | — |
| Spirometry Kit (Bacterial Filter & Mouthpiece) SKU 100756NK | carolinadiagnosticsolutions.com | 197.6 USD | — | — |
| Elliptical PFT & PFT Fits Viasys Portable, MultiSpiro, Creative Biomedics, Micro Direct, Vitalograph, Schiller (Bx/100) | pelegrinamedical.com | 165 USD | — | — |
| Elliptical, PFT, STD Filters for Collins (Bx/100) | pelegrinamedical.com | 165 USD | — | — |
| Elliptical, STD, PFT Filter - Fits SensorMedic (Bx/100) | pelegrinamedical.com | 165 USD | — | — |
| STD & Elliptical Filter | Fits Medgraphics (Bx/100) | pelegrinamedical.com | 165 USD | — | — |
| STD & Elliptical Spirometer Filter For Koko (Bx/100) | pelegrinamedical.com | 165 USD | — | — |
| STD & Elliptical Filters For Morgan, New Morgan, Medisoft (Bx/100) | pelegrinamedical.com | 165 USD | — | — |
| Polytechnic Round Filter (1 pack of 100) SKU 100759NW | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| The PFT Elliptical Filter SKU 100758EW | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Spirometry Elliptical Shaped Bacterial Filter SKU 100756EW | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Carefusion/ Vyaire/ SensorMedics Round Filter | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Carefusion/ Vyaire/ SensorMedics Elliptical Filter w/ Ridge | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Spirometry Round Bacteria Filter SKU 100756NW | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Medical Graphics Elliptical Filter SKU 100760EW | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Medical Graphics Round Filter SKU 100760NW | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Carefusion/ Vyaire/ SensorMedics Elliptical Filter | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Morgan Elliptical Filter SKU 100780EW | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Polytechnic Elliptical Filter (1 pack of 100) SKU 100759EW | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| The PFT Bacterial Round Filter (Koko) SKU 100758NW | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Polytechnic Elliptical Filter w/ Lip Ridge SKU 100759EL | carolinadiagnosticsolutions.com | 135.2 USD | — | — |
| Rubber Mouthpiece SKU 100754 | carolinadiagnosticsolutions.com | 53.04 USD | — | — |
| Non-Slip Rubber/Foam Nose Clips | carolinadiagnosticsolutions.com | 44 USD | — | — |