2-1/2 inch Head for Fiberglass Tank with 3/4 inch FPT Inlet-Outlet Ports and 1/2 inch Down Stem

2-1/2 inch Head for Fiberglass Tank with 3/4 inch FPT Inlet-Outlet Ports and 1/2 inch Down Stem

2-1/2 inch Head for Fiberglass Tank with 3/4 inch FPT Inlet-Outlet Ports and 1/2 inch Down Stem (FOR USE WITH 18 inch TALL CANISTERS)