Inline Heater Hose Coolant Filter. : (The most popular size is the 5/8?). The coolant filter needs to be installed into the inlet hose of your heater core and is easy to install. It also regulates the pressure entering the heater core.
Inline Heater Core Coolant Filter & Inspection System 5/8" VE-Labs CIFS-1 CFIS-1
5/8" Inline Heater Core Coolant Filter Inspection System For Auto Truck Off-Road
Inline Heater Core Coolant Filter Inspection System 5/8" For Auto Truck Off Road
Inline Heater Core Coolant Filter & Inspection System 5/8" Vehicles Trucks Auto
For Auto Inline Heater Core Coolant Filter Inspection System 5/8" Truck Off Road