The Pentek 154284 fits the following water filter housings:
The Pentek 154284 3/4" Big White Filter Housing Cap is a replacement housing cap with a white finish that fits Pentek Big White #10 housings. This filter sump, also known by part number 154284, is an OEM Pentek part that is made from high quality construction material in order to be both durable and rigid. In addition, this white cap includes a pressure relief valve.
Pentek 154284 3/4" Big White Filter Housing Cap specifications: