Single Variable Flow Kit, 7-10 x 175mm Back Catalog number: 800257 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-B100M BioVOC Disposable Cardboard Mouthpieces, pk 100 Price on request GF37500PVC Filter, PVC, 5.0µm, 37mm, 100/Pack Price on request GF25450 Filter, MCE, 0.45µm, 25mm, TEM 100/Pack Price on request