Inlet Filter Replacement Kit for GilAir Plus with Back Catalog number: 811-0916-01-R Manufacturer: SENSIDYNE Availability: In stock 8 pcs Price on request - + Recommended 385-0115-01 Nephelometer O-Ring, Replacement Price on request 783-0015-01 Lithium Ion Replacement Battery Pack for Nephelome Price on request 811-0504-01-R Single Unit Replacement Charger only, USB Gilibrat Price on request