Replaces Presto vent pipe 1058 Fits models NO. 7, NO. 7AV, NO. 7S Fits models 21, 21AV and 21S Quality part by Univen Univen pressure cooker canner vent pipe, replaces Presto 85652. Fits Presto pressure cooker canner models NO. 7, NO. 7AV, NO. 7S, 21, 21AV and 21S. Quality part by Univen.