Top Tank:
This tank has a 2.25 diameter hose connection
1.00″ diameter fill line
2 – 1/2″” NC threaded nuts
2 – 1/4″” NPT flanges
A hole for a filler neck
Bottom Tank:
This tank has a 2.50″” diameter hose connection
1/2″” NC threaded hole at each end for mounting
2 – 1/2″” NPT flanges (one for a drain on the bottom