Filter, PVC, 5.0µm, 37mm, 100/Pack Back Catalog number: GF37500PVC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-23 Teflon Bag, On-Off Valve (4.7L) Price on request 910-1305-NO Gilian 800i,5-Pack Kit, No Cord Price on request 375-0009-01 Carrying Case for Nephelometer Price on request