Kraus BST-1 Stainless Steel Basket Strainer Premium Stainless Steel Construction for Long-Lasting Use Universal Design Fits Standard 3.5" or 4" Drain Opening Removable Basket Prevents Debris from Clogging Drain Pipe Lifetime Limited Warranty: Experience Kraus Quality Premium Stainless Steel Construction Fits Standard 3.5" or 4" Drain Opening Removable Basket Prevents Debris from Clogging Drain Pipe Limited Lifetime Warranty