Elbow - Tank Elbow double nut 19mm thread . AP-007
Tank Fitting , elbow, double nut with 19mm threaded end to take standard 19mm (3/4") threaded fittings. The AP-PSN Power venturi aerator head will also fit to this AP-007 Elbow. Very useful fitting to bring water back into a fingerling tank or to the main tank from a sump pump.
When fitted with the AP-PSA Aerator head it becomes a very useful fitting.
 The inside has 19mm threaded end (3/4")

At the other end it is barbed to take 19mm flexible hose
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