Housing, 37mm 2pc Opaque, 50/Box Back Catalog number: GH37-2 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 811-0918-01-R Dual Manifold High Flow Splitter with Tubing, Bott Price on request 298-0030-01-R Replacement Power Supply for 5 unit chargers 811-0 Price on request