The 290-20322 from Sioux Chief is a 2” OD x 1-1/2” ID, No-Putty Gasket for Lavatory Drain and Kitchen Spray Hose Guide. 

Features:

• Eliminates the need for plumbers putty;
• Creates a tight seal on all finishes and materials;
• Quick and easy to install;
• Does not stain or smudge and will not dry out;
• Can be stacked if needed;
• For use with lavatory drain and kitchen spray hose guide.

Technical Specifications:

• Outside Diameter: 2";
• Inside Diameter: 1-1/2";
• Material: Foam rubber with adhesive backing.