Practicon 7078726 GT-43 Gleco Sediment Trap System 43 oz. System Includes: (2) 43 oz Replacement Bottles, (1) Lid for extra bottle, & All Necessary 1 1/2" PVC Plumbing Components (US & Canada Only). Invented by a plumber, the trap makes changing your plaster trap a clean, effortless task. Install the pre-assembled trap once, then replacing the bottle takes less than one minute start to finish without tools. Adapts easily to existing plumbing.