An appliance that is attached to a hose line so that a line of a smaller diameter can then be connected.
pipefitting that joins two pipes of different diameter
A trim unit used to shorten the radius bullnose or a cove to another radius or to a square.
A pipe fitting used for joining pipes with different diameters together. A bushing is threaded on both the inside and outside.
A coupling that has one end larger than the other; a reducer is used to connect pipes or pipes and other fittings of different diameters.
A fitting with different size openings at either end and used to go from a larger to a smaller pipe
A fitting used to join two pipes of different diameters.
A pipefitting that connects pipes of different sizes. A tile trim unit used to reduce the radius of a bull nose or a cove to another radius or to a square.
A fitting that connects pipes of different sizes.
A fitting used to change from one size pump or pipe to an other.
Plumbing adapter for connecting hoses of two different diameters; May also be double male or double female connections of different sizes.
Plumbing drainage fitting, which reduces the diameter of a straight-line, run by virtue of its larger size on one end and smaller on the other. If it is used for the reverse, to make the diameter of a straight-line run larger, it is called an increaser.