The Pentek 158794 fits the following water filter housings:
The Pentek 158794 1/2" IB Filter Housing Cap-12 Pack is a replacement pack of IB filter housing caps for the #10 Pentek 3G Slim Line Housings. This integral bracket filter housing cap arrives in a 12 pack and features a 1/2" Quick Connect style. This IB housing cap is constructed from durable polypropylene material and includes a pressure relief button.
Pentek 158794 1/2" IB Filter Housing Cap-12 Pack specifications: