Wayne 57028-001 Sump Pump Check Valve, 1-1/4"Highlights: Size: 1 1 4" Includes: Two convertible fittings and four hose clamps. Durable thermoplastic valve body and poppet designed to resist corrosion and to stop noise Same As 57027 001 Plus Inline Installation Kit Requires Reducer 90 Day Warranty WARNING: This product can expose you to chemicals including Di(2 ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For