Cassette, 25mm, Classic Style, PCM, 0.8µm, MCE, No Back Catalog number: GCS25080 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800222 Tool Kit, LFS-113 Price on request 385-0117-01 Tri-pod mounting bracket for Nephelometer (Tri-pod Price on request 6075-0428-25 Battery Pack Mounting Screw (Sold in pack of 25) Price on request