Waterway Drain/Fill Valve 3/4" barb

Waterway Drain/Fill valve assembly with 3/4" barb - suits 3/4"clear vinyl tubing

USA thread - requires special quick connect adaptor if connecting to a garden hose.
For fast draining the centre green section can be unscrewed so that water can flow out the wider diameter white section only.
Similarly, a USA quick connect hose adaptor screwed directly onto the white fitting will enable faster filling.