EMT22 Rigid Liner (LINER-EMT22) The EMT22 Rigid Liner is an option with our EMT22 small receptacle, and is included in our Pet Waste Station. Made of rigid, recycled plastic, it's sturdy enough to stand alone. Listing Back To Top Design Visualizer Previous Next Downloads Product Info Media Add to Project+ Favorite User Feedback Company Resources Back to top Photos Polly Products Photo Gall… Brochures Polly Products Digital Ca…