Just like to now two things: Is this for one single run between poles & Is there a plastic one that can be used in place because the salt in pool makes them rust?

Question

Patrick P. · Accepted Answer

This is a single top rail.  I do not see a resin top rail that is compatible.  Please be advised that a/g pool parts are not universal.

Question Regarding: Wilbar Atlantis Esprit Top Rail, 6" x 56-27/32", Mist Grey, Single - 1450873

Just like to now two things: Is this for one single run between poles & Is there a plastic one that can be used in place because the salt in pool makes them rust?