This Is The Complete Bottom Lid Assembly Used On Many Dolphin Cleaners. This Fits On The Bottom Of The Cleaner And Is Where The Bag Attaches. Along With The Metal Bag Supports, Springs, And Screws. Shape: Rectangular Base With 2 Metal Bag Supports. The Metal Bag Supports Are Held Into The Base With A Black Plastic. 6-Sided Lock That Fits Around The Bottom Of Each Leg Length: 12-5/8" Width: 8-1/4 Height: 9-1/2" (From Base To Top Of Bag Support) Includes: All Bottom Lid Items Except Bag Base (2) Bases For Non Return Flap (2) Non Return Flaps (2) Springs (2) Filter Bag Supports (2) Bottom Lid Brackets (4) Filter Support Locks