Half-Inch Barbed Adapter for Submersible Pumps

Design preview. Rendered from the file, not a photo.

The maker says it fits: ActiveAqua Submersible Pump. See the proof

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What it does

Half-inch barbed adapter for cheap pumps
Four thread types fit common pump models
Replaces lost or broken adapters
Saves a trip to the hardware store
Lets you connect a 1/2 inch hose

Get your pump back in service. This half-inch barbed adapter fits four common thread types, so it covers many cheap submersible pumps. Drop it in place of a lost or broken adapter and the pump runs again.

Connect a 1/2 inch hose to the barb and your aquarium, fountain, or rain barrel pump is back to work.

Made in the USA.

10k downloads in the maker community. That is interest in the design on the site it came from, not our sales.

What it fits

The maker says it fits: ActiveAqua Submersible Pump

That is the maker's word, not a fit we measured. Check the size below against your own.

ActiveAqua Submersible PumpFrom the maker's own listing notes, checked 2026-08-13. See the original post

Brand names here only say what this part fits. We are not connected to those companies, and they did not make or check this part.

What you get

This design prints as one piece.
Nothing else to print or buy for this to work.

What it is made of

Designs like this print well in PLA. Compare the materials.

Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.