This part is a Barb Adapter, 3/4" Barb x 1" Slip..
That means that it will accept 3/4" Inside Diameter Tubing on the barbed side and a 1" Pipe or Fitting that would measure about 1 1/4" Outside...
This part is a 3/4" Barb Adapter x 3/4" Slip / 1" Street.
The Glue Side glues inside a 1" Fitting (like a coupler) and the inside would fit a 3/4" connection.
Barb Adapter 3/4" Barb x 1/2" Spigot , The Glue Side glues inside a 1/2" Fitting which would measure 3/4" and a 3/4" ID tube would be glued over the barb.
This part is a 3/4" Smooth Barb Adapter x 3/4" Slip / 1" Street.
The Glue Side glues inside a 1" Fitting (like a coupler) and the inside would fit a 3/4" connection.
This part is a Barb Adapter 3/4" Barb x 3/4" Street or 1/2" Inside Slip..
The means a 3/4" Inside Diameter tube would glue over the barb side while a 1/2" pipe which is 3/4" Outside Diameter would...
This part is (1) 1/4" X 3/8" Barbed Coupler that fits 3/8" OD , 1/4" ID Clear Hose on one side and 1/2" OD , 3/8" ID on the other side. These are used for connecting Clear Hoses together in Hot Tubs...
You are Purchasing (1) 3/4" X 1" Barbed Coupler that fits 1" OD , 3/4" ID Clear Hose on one side and 1 1/4" OD , 1" ID on the other side. These are used for connecting Clear Hoses together in Hot...