Clean type with less snagging debris. The cover has a sleek design that does not show the screws. Simply insert the main unit into the drain and attach it to your drain, eliminating the need for troublesome underfloor work. 50mm water seal prevents odor The included hose inner prevents the drain hose from deforming. The trap is a separate wall trap for a clean look. Replace the cover, rubber elbow and lock nut to look like new and are ideal for use in houses with frequent replacements. Note: Please read the installation instructions carefully before installation. Plumbing to avoid double traps. Do not apply to reverse slopes. For VU50 Heat resistant to 140°F (60°C), continuous use temperature of 104°F (40°C). Materials: Main body: ABS, Elbow: TPO