<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_ym19_1_1479571292154_6385" dir="ltr">I spent days fitting my conical port to the seat-I did a vacuum test on the sphere and removed the retaining ring and low pressure seal. The port fits so well that it holds vacuum, and it is not even greased yet. Thats what we here in Canada call a gynaecologist fit!</div><div id="yui_3_16_0_ym19_1_1479571292154_6385" dir="ltr">Hank</div></div></body></html>