Cassette, 37mm .45µm PVC Endotoxin Free, 10/Box Back Catalog number: GCU3745EF Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0112-01 Sheath Air Purge Flow Filter for Nephelometer Price on request 800159 Tubing, 1/8" ID x 1/16" W, Clear PVC with barbed a Price on request 385-0115-01 Nephelometer O-Ring, Replacement Price on request