1.5" NPT Male Thread X 1.25" Hose Barb Plastic Fitting - Gray

1.5" NPT Male Thread X 1.25" Hose Barb - Plastic Fitting

Can be used with 1.5" Fitting on tank to connect to 1.375" Hose

1.375" hose can be used with the fill dishes and the Loose Fitting / Fixture - 1.5" Thread x 1.25" Hose Barb Fitting - Gray
1.375" hose can not be used with spouts on tanks.