poppet

For those of you that have plenty of old seats and use the reuseable stem for the D-400 poppet (metal orifice), I just had a custom run of 1.01mm x 4.57mm EPDM 50 durometer orings made for me. It's this o-ring: This oring was part of a problem I felt I had getting consistent sealing at low...

I recently purchased a scubapro 109 and mk5 for really cheap. seller had a "make an offer" button, so I made one for a quarter of the price. was pleasantly surprised when he accepted it. The 109 is pristine. No scratches on the chrome. Took it apart and it looked just as shiny inside. I don't...