1. Vent valves designed for easy installation and use, ensuring convenient maintenance. 2. EASY INSTALLATION – This flexible and expandable drain pipe requires no additional tools, can be bent into any shape, and is simple to remove, saving time and effort. 3. Compact siphonprevention design for efficient space utilization. 4. Durable frame ensures stability and reliability during venting. 5. Easy to maintain and clean, guaranteeing longterm performance. 6. Ideal for industrial plants, machinery, or household systems to ensure effective drainage. 7. MATERIALS – Made of wearresistant stainless steel and ABS, this sink drain pipe is sturdy, resistant to breakage or deformation, and built for longlasting durability. 8. UNIVERSAL PROTECTION – Prevents clogged pipes, water backflow, and unpleasant odors. Its unique design traps hair and debris, offering blockage prevention. 9. WIDELY COMPATIBLE – Features a silicone gasket for a fit in 1 1/2inch sink holes, creating a waterproof seal without extra connections. Ensures leak performance for all sink types.