Which Bulkhead to buy?

[dom418]

Double threaded or standard? I don't know which is best

www.drsfostersmith.com/Product/NavResults.cfm?N=2004&Np=1&Ntt=bulkhead&Ntx=mode+matchallpartial&Ntk=All&Nty=1

[phlipper84]

After the headaches I have been through, I will not use anything but the double threaded. Slip is only good if you are going to pvc everything together. With the double-thread you just screw everything together with a ton of teflon tape.