<b>Specification:</b><br> Material: Stainless steel + Plastic + PVC<br> Total Length: 7.8 inch<br> Hose Length: 6 inch<br> Thread Size: 7/8 Male to 7/8 Female<br><br> <b>Installation Steps:</b><br> 1.Turn off the water supply to the toilet.<br> 2.Flush the toilet to drain the tank.<br> 3.Then unscrew both ends of your existing line and put this on. <br><br> 4.Tips: Don't over tighten, especially on the plastic end.<br> <b>Variety of Different Models:</b><br> Compatible with TOTO Washlets C110/E200/S300/S400<br><br> <b>Package including:</b><br> 2* 6 inch extension hose<br> 1* User manual<br><br>