... quality aluminum frame , left&right , extension panelis available 1. safety bathtub is suit for old people and handicapped persons, inward swing ... shining aluminum frame .2. the walk in bathtub has 3mm acryl walk in bathtub with surf massage and .without surf massage aslo ... tubs has transferable switch , cold/hot water adjust4. the handicapped bathtub has 2 big jets,4 pcs small jets, 1P motor5 ...