Yes, I have four of the 1100s, and four of the 1200s....all purchased from RTD and all about the same cycles (I don't keep track but rotate through). My P3s Iq likes the new style, only diff I see is the covering and a slightly larger nipple area. Hard to show in pics...
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Looks like a much flatter contact area on the new ones, at least to me.
I would be if I had the knowledge and watching us bumbling through this