My house is near the base of the local water tower...

My house is near the base of the local water tower and results in wonderfully high water pressure (just over 100 psi).

After installing a GE Reverse Osmosis system in the kitchen, I installed a pressure regulator on the house to bring it down to under (80 psi). Both per the manufacturer's instructions and due to the "push in" tubes of the system popping out at the faucet.

However, I quickly became longing for my water pressure at all other fixtures, like Kramer in Seinfeld.

After hard searching, this was the only "in-line" regulator I could find. The 1/4 push in style connector was perfect for my RO system and installed with no issue. It allowed me to crank up the household pressure without harming the RO system.
It was an easy installation and the product comes in a variety of pressure output levels to suite everyone's needs. I chose the 70 psi model. Well worth the cost.