Nice update. I also have this model and enjoyed your mods.
What size vinyl hose did you use as a replacement? I couldn't find a size that fit both the top of the filter and the spraybar or intake strainer.
Eheim Pimpette #270
Eheim Pro II 2028; Classics Series -2215, 2217, 2260, 2262; Pro 2229 Wet/Dry