- Pack of PRM filters (3 in 1 Pack)*

Rust removal: PRM filter traps any residual rust, dirt and contaminants collected through water piping systems

MADE IN KOREA 

*Duration – color of PRM filters should change to brown depending on cleanliness & hardness of your water quality (approx. 1-2 months). Each city & state have different quality water so it is important to check your filter frequently.