to 4 inch PVC offset closet flange, fits over 3 inch inside 4 inch dwv 2 inch offset. The product is manufactured in china. Easy installation and easy handling.From the ManufacturerOatey products can be found in residential and commercial applications and have achieved excellent brand name recognition with consumers. All products are backed with the highest quality technical and customer support programs in the industry The product is manufactured in china | The product is highly durable and easy to use | Easy installation and easy handling | Provides a quick, economical and clean method of installing tub waste and drain | Manufactured from semi-flexible, very durable, Plastic polymer | Built in cut-out for up to 2-Inch Schedule 40 drain | Enables installer to form a clean cavity in a concrete slab so a trap can be easily connected to the drain system