MATALA EZ-AIR 3-section Hose Mender for Weighted Air Hose
Easiest way to connect different diameter hoses. Small: ⅜ inch Medium= ½ inch Big= ⅝ inch
Plastic Hose mender for aquariums and Aeration systems | Step up or Down with different hose diameters.
Can be used with weighted hose, aeration hose, clear hose and pressure hose, others.