Standard 1-3/4 inch evacuation opening for common drain systems. Fits sink holes with a diameter from 1.6 inches to 1.9 inches. Premium material provides corrosion resistance and increases durability of the sink body. Reliable, durable performance for everyday use. Compatible applications and scenarios - Kitchen sink drain replacement: Use in kitchens with a standard 1-3/4 inch drain opening to restore drainage performance and extend the life of the sink area. - Bathroom or vanity sink upgrade: Suitable for bathroom sinks with hole diameters between 1.6 and 1.9 inches, offering durable, corrosion-resistant operation. - Utility or laundry sink installation: Ideal for utility sinks exposed to regular washing and moisture, where long-lasting materials help resist corrosion and maintain seal integrity. Key attributes at a glance - Function: Evacuation/drain opening standard size for broad compatibility - Compatibility: Suitable for sink holes 1.6 to 1.9 inches in diameter - Size: Standard 1-3/4 inch evacuation opening - Material: Premium material with corrosion resistance - Performance: Durable and reliable for long-term use