The Vitalograph Medical Eco BVF Filter, For MediSoft and Office Spirometers, 75 Count is an at home health product designed to provide superior comfort and functionality. The Vitalograph Medical Eco BVF Filters are available at Honest Medical and ship for a low cost. We carry Vitalograph Medical Eco BVF Filters in multiple warehouses across the nation to reach most customers in 2-3 business days.