Filter Cap, Replacement for Nephelometer Back Catalog number: 385-0113-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9932-02 Cyclone, Filter Cassettes, 37mm, European style fo Price on request 811-9918-02 Go-Cal AC Adapter NEMA, 100-240V Price on request 811-0504-01-R Single Unit Replacement Charger only, USB Gilibrat Price on request