Filter Cap, Replacement for Nephelometer Back Catalog number: 385-0113-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0503-01 GILIBRATOR FEET, 4-PACK (includes for screws) Price on request 811-0944-03-R GilAir Plus, STP to STP BlueTooth and Motion Upgra Price on request SC-1 Tedlar Bag (0.5L) Price on request