The Standoff Screw is used to raise the PC Board off the tank slightly for airflow.  These screws are used in the following models:  AK, AG, 3K, 3M, 3G, AV2

NOTE: To preserve the originality, operation and safety of replacement parts, this product is not returnable.

THIS PRODUCT IS NO LONGER AVAILABLE. PLEASE SEE OUR INVENTORY OF AMEREC PARTS