WS KOITOILET II Bottom Drain 4 in. w/ Dome

KOITOILET™ II  4 in. w/ Dome
The Simple Solution for Koi Pond Bottom Drain

Made of heavy duty injection molded ABS.  
Thick flange and liner ring for better liner grip.  
Flare design for smooth flow.  
Fits 4" Sch40 PVC Elbow or Coupling.  
Excellent for liner and concrete installation.