Product: Respiratory spirometry PFT filters with mouth piece, Lung pulmonary function test filter Leach percolator with mouthpiece

Item No.  ZF-018 (ID: 30mm/ OD33mm)

                ZF-060 (ID: 24mm/ OD26mm)

Material:  Housing: ABS

                Filter: Electrical cotton  

BFE: 99.9999% @0.5 Microns

VFE: 99.9999% @0.027 Microns