[Universal Fit]:Universal air conditioning firewall heater bulkhead fittings,suitable for most air conditioning and heater systems [Function]:The air conditioning bulkhead is used to help route the heater and air conditioning hoses through the firewall quickly and easily [4 Ports]:4 Port firewall heater bulkhead connector,1-6( 5/8"-18) heater hose fitting and 3-10(7/8"-14) heater ports [Premium Material]:The heater hose firewall bulkhead is made of premium metal material,wear resistant,sturdy,and ensures a long time to use [Easy Installation]:Directly replace the air conditioning bulkhead fitting,easy to install, Weight: 0.5070632026 Pounds, Manufacturer: TWISAXC