Black Block Proportioners

Choose Size and Leg Number

1/2" Blocks will be shipped with a 1/2" MPT x 1/2" barb elbow for outlet and a plug. 

1" Block will be shipped with 1" MPT x 1" barb elbow and 1" MPT x 3/4" barb elbow. 

**If you need different sizes, please write not or email at check out**