Pack of 5 grey PVC double male nipple connectors, sizes 1/2", 3/4", 1" for irrigation and aquarium water piping Rigid grey PVC material, acid & alkali resistant, anti-aging, suitable for indoor fish tanks and outdoor garden use Dual male spigot design for gluing two matching PVC pipes to extend straight pipelines seamlessly Smooth inner wall reduces water flow resistance, tight socket fit ensures leak-proof bonding with PVC glue Multipurpose pipe fitting for drip irrigation, fish tank circulation, rain barrels and household water refitting, Manufacturer: EPAKNhgD