Complete Gerber 99-023 fill valve. Used in several models. Product may have been updated to a new style since the original. Comes complete as pictured with nut, seals and fill tube. This valve is also the replacement for Gerber 99-777. Other variations of the part number: G0099023, 0099023, 99023, 99-023, G0099777, 0099777, 99777, 99-777. UPC: 671052636563.