This part is no longer available.. It is obsolete from the manufacturer..
Manifold Wye
Improves performance
Available in two different sizes
Saves plum
This Manifold is 1 1/2" input which measures 1 7/8" Inside Diameter x (4) 1/2" outputs that measure 3/4" Inside Diameter.
Note: These manifolds are new old stock so they will not be...