Inlet Filter Replacement Housing for GilAir Plus Back Catalog number: 811-0940-01-R Manufacturer: SENSIDYNE Availability: In stock 8 pcs Price on request - + Recommended 811-1707-01-R Gilibrator 3, Base Only Price on request 800143 Filter Cassette Holder Kit (required when sampling Price on request 811-9918-02 Go-Cal AC Adapter NEMA, 100-240V Price on request