Gilibrator 3, Base Only Back Catalog number: 811-1707-01-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-27 Teflon Bag, Septum Valve (4.7L) Price on request GH37-2 Housing, 37mm 2pc Opaque, 50/Box Price on request 811-0917-01-R Replacement Screws for GilAir Plus, Pk of 25 (4-40 x 7/8 in., pan head) Price on request