MWT163 - EZ Bio Double + Socket 7.9" x 7.9" up to 3400 gph.  

• Improves pump efficiency. 
• Highly efficient filtration. 
• Easy to install and clean. 

1-1/2” BSPF threaded female connection with universal hose tail adapter that accepts 1”, 1-1/4”, and 1-1/2” ID hose.