threaded adaptor 1/2" bsp thread (requires a 21mm hole0) Push adaptor through pre drilled hole To fit this item you will require a 21mm hole or if you remove the nut and washer the adaptor can be screwed directly into a 1/2" bsp female thread if it is present on your water butt attach universal hose connector When the adaptor is securely fitted to your water storage container the universal gaden hose fitting can be screwed on.
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