Can the check valves fit two in one tube? One up, the other down
A water pipe is used for launching, and the two check valves that you install are reverse, and the water is blocked by one of the check valves on either side
Launching, then you'd like to have a Sheung Shui at the front of the Sheung Shui
A water pipe is used for launching, and the two check valves that you install are reverse, and the water is blocked by one of the check valves on either side
