Filter, Support Pads, Cellulosic, 37mm, 40.0µm, 10 Back Catalog number: GPG37100 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GB37C Band, 37mm Shrink, Clear 100/Pack Price on request C-B100M BioVOC Disposable Cardboard Mouthpieces, pk 100 Price on request TE-24 Teflon Bag, On-Off Valve (50L) Price on request