Filter canister for Emerald Spas that are 50 sqft 90016387.  These filter canisters by CMP hold a 50 sqft filter and are used in select Emerald and Great Lakes spas.

This 50 sqft filter canister assembly is the complete part.

If you have doubts as to which filter canister is right for your spa, send your spa serial number to for positive identification of the part(s) you need.