You have of store credit. To use it, simply place your order and you will be able to choose store credit as the payment method when it comes time to pay for your order.
ST ELBOW (90) FPT X MPT 2 412-020
ST ELBOW (90) FPT X MPT 1-1/2 412-015
ST ELBOW (90) FPT X MPT 3/4 412-007
ST ELBOW (90) FPT X MPT 1/2 412-005