Genuine TOTO THP4617 TSST O-Ring & Washer.
Quality Plumbing Supply is a proud distributor of TOTO products. This TOTO THP4617 TSST O-Ring & Washer is a direct replacement manufactured by TOTO. Order this TOTO THP4617 TSST O-Ring & Washer today. Most orders usually ship the same day and we offer free shipping for orders over $99!