Come to think of it an up-turned, threaded elbow (hose barb are cheap and easy to find) cut to the water level you want may be the better way to go vs the strainer. You will be able to adjust your water level by screwing in elbows cut to various heights.I to that on the inside of my sumps. Essentially it is a standpipe like you would see on the inside of an overflow. Just an itty bitty one