Sink Manifold, Stainless Steel Kitchen Sink Plug Strainer Cap 110mm Note: Please check your kitchen sink hole size before purchasing. < / B> Material: PVC + stainless steel For sink hole: φ 83 - 90 mm Weight: 175 g How to install: < /b> 1. Put the PVC circle on the sink hole 2. Put the stainless steel case on the sink hole 3. Put another circle of PVC on the plastic case 4. Connect the plastic case with the stainless steel 5. Use the crew to connect them securely (the crew is included) 6. Put on the .1881 filter. br> What it includes:< /b> Sink collection x 1