I don't use a seal under my Cyclones, no leaks and they sit flush
I just got a Nuppin on the classifieds and it is challenging the Cyclones supremacy!
I thought it was all hype but this little nuppin is really good
Peter is arranging another batch as we speak It mite be an atty You want to try 
I thought it was all hype but this little nuppin is really good
What are you using as a seal Vince? My cyclone does not fit flush but I am using a drip tip o-ring on the Cyclone threads as a seal. It is by far my all time favorite PV.