Valterra Flush King Sewer Hose Reverse Flush Valve w/ Built In Backflow Preventer F02-4350 11-0228Manufacturer: Valterra Availability: 355 in stockSKU: 11-0228 Item No: 11-0228 Brand: ValterraMfg No: F02-4350Wt: 1.89UPC: 019079243508 $43.97 Qty: Add to cart Ship toSelect countryUnited States of America *Other *Shipping MethodNameEstimated DeliveryPriceNo shipping optionsApply Custom wishlist OKAdd to wishlistAdd to compare listEmail a friend1:This is used to remove clogs in drain pipes, refills & flushes tank at any height or bend of plumbing. It attaches quickly & easily. It includes built in backflow preventer.