Aqua-Win twist-in head is a water filter cap specially for twist-in water filter. It has an creative uto stop valve feature that allows you to replace the water filter without shutting off the water supply. Simply press the button on the cap to stop the water flow, twist off the old filter, twist on the new filter, and release the button to resume the water flow.

Here are some of the key features of the Aqua-Win twist-in head:

  • Easy to install and replace: The twist-in design makes it easy to install and replace the filter.
  • Auto stop valve: As a result, the auto stop valve prevents water from leaking.
  • Durable construction: The Aqua-Win twist-in head comes with durable materials that can endure everyday use.

If you are looking for a reliable and easy-to-use water filter cap, the Aqua-Win twist-in head is a good option to consider.

For other filters, please refer to TWIST-IN CARTRIDGE.


AQUA-WIN unique design for the connector head comes with easy way for filter replacement and the auto shut-off valve.

Customers do not need any tools for filter replacement, and do not need to turn off water source supply.

Valve is RELEASE: when you removed cartridges, the auto shut-off valve is released, then block the water.

Valve is PRESS-IN: when you inserted the cartridge, the auto shut-off valve is press-in, then allow water flowing.

ro cartridge water filter
Taiwan quick change water filter


We offer twist-in water filters made from various materials as below.
PP (sediment), GAC, CTO, resin, alkaline, DI resin, UF membrane, and RO membrane.

To replace the filter, simply twist, pull, push, and twist again.

Furthermore, the unique head design includes an auto shut-off valve, so you don’t need to turn off the water supply before replacing the filter.

The filter can be replaced as a whole, avoiding contamination from the housing and keeping the water clean.