Check valve hose 25mm 38mm, backflow stopper, made of break-proof nylon, prevents backflow

• for 25 mm (1") and 38 mm (1 1/2") hose inner diameter
• 45 mm wide
• 114 mm long when using 25 mm hose
• 61 mm long when using 38 mm hose
• made of resistant and break-proof nylon

Flow is only possible in one direction. This check valve reliably prevents the backflow of feces and other low-viscosity liquids.