Which Mundorfs or Jensens are made with Teflon? If you're determined to go with Teflons, I'd have to agree with Mr P. AuriCap also makes some excellent Teflons, which I've used with great result(http://www.audience-av.com/capacitors/axo_description.html). Be certain to observe the direction installed, whatever brand used, to avoid noise: (http://jimmyauw.com/2010/04/24/observing-inner-and-outer-foil-of-some-popular-capacitors/) (http://www.partsconnexion.com/prod_pdf/auricapxo-lead.pdf)