O-ring Set of Two for housings used with five or four stage Reverse Osmosis System as EACH housing uses a DOUBLE o-ring pair.
So, you'll want to order TWO SETS ( for a total of 4 o-rings ).
O-ring Set of Two for housings used with five or four stage Reverse Osmosis System as EACH housing uses a DOUBLE o-ring pair.
So, you'll want to order TWO SETS ( for a total of 4 o-rings ).