The Winco FB-TS30 Insect Trapper is designed specifically for 3" drain pipes, effectively preventing insects from entering your establishment through drainage systems. This durable drain trap seal ensures a tight fit, maintaining hygiene and reducing pest-related issues. Each unit is sold in quantities of six, making it easy to stock up for multiple installations. Ideal for restaurants, bars, and commercial kitchens, the Winco FB-TS30 is a reliable solution for maintaining a pest-free environment.