The Pentek 153031 is the correct replacement for the following:
The Pentek 153031 Standard 20" Red Nylon Filter Sump is a red housing sump that is constructed from nylon. Also known as part number 153031, this filter housing sump will accommodate a wide range of cartridges.
Pentek Standard Black Nylon Filter Sump specifications:
Be sure to protect your Pentek 153031 Nylon Filter Sump against freezing to prevent cracking of the filter and water leakage. This standard 20" red sump is ideal for a variety of residential, commercial and industrial applications.