The Apeks 5th Port Upgrade Kit is only suitable for the current (post-2013 model) XTX200 and XTX100 first stages (FSR and FST type).
The 5th port offers the user more versatility in terms of hose routings and port positions depending on the type of diving. This particular version incorporates a heat exchanger which acts as an additional safeguard against freezing.
The end-port allows any length dry suit/wing LP hose attachment and direct routing to the kit making your 1st stage regulator ideal for sidemount diving.
This kit cannot be retrofitted to any of the old XTX first stages, it can only be fit to new XTX200, XTX100 And can also be Fitted to the XTX50
PART NO – AP02741