These are two sets of QD's that connect at the  bottom of the splitter to the lower two solution lines. 

If you are ordering a lower set of solution lines, you will also need these two sets of QD's put on them.

QD's- 2 Male & Female sets

$42.00Price
    Shipping cost is already included in the prices here.  When it says free shipping at checkout it is because it is already calculated in the prices.